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Iran’s Game-Changing Rapid-Fire Underground Missile Base

Absolutely!

The only problem with such underground bases is that once the first few missiles are launched. The location of this base is known with a certain degree. Once the exact location is known all one has to do is destroy the launchpad. Doesn't matter if there's 100 missiles in the silo....if you can't launch them.....they're worthless.

Which is why nations like Russia and China work on movable TEL's (transporter erector launchers).

View attachment 687352

These are harder to destroy (shoot and scoot ability) and the more you have of them, the harder it is for the enemy to destroy all of them.

I would like to know Iran's progress in this area because it's more important.
Yes you're right, its a massive Silo like complex concept where multiple missiles can be be fired but once it detected it can easily be destroyed by the enemy
 
Absolutely!

The only problem with such underground bases is that once the first few missiles are launched. The location of this base is known with a certain degree. Once the exact location is known all one has to do is destroy the launchpad. Doesn't matter if there's 100 missiles in the silo....if you can't launch them.....they're worthless.

Which is why nations like Russia and China work on movable TEL's (transporter erector launchers).

View attachment 687352

These are harder to destroy (shoot and scoot ability) and the more you have of them, the harder it is for the enemy to destroy all of them.

I would like to know Iran's progress in this area because it's more important.

Mobile TEL are perhaps the oldest of the Iranian launch methods. Iran has done a great job so far, for example here is a TEL each carrying 2x 1000km ranged "Dezfoul" missile:

1605049599099.png


The more newer launch tactics include the recently revealed "missile farms". In this method, missiles are contained within canisters and kept in erected positions underground, covered with soil and are ready to fire. This is a different layout to underground "missile cities" we have seen before from Iran. In this new method, there is no need for the underground bunker systems. You can put these missiles almost anywhere and they are ready to fire with almost no preparation time needed.


See below thread for more details:

Novel Iranian missile launch technique - Underground canisters


These underground systems you see in this thread are "nuclear hardened" systems used to launch the Iranian liquid (mostly) fuelled systems. With the addition of this rail firing system, now they can fire their arsenal much more quickly and efficiently. If you want to read more, here is a great article on it:

------------------------------------------------------------





The concept
Interpretation of Irans new basing concept

Non-nuclear states can have the highest conventional military capability but are always regarded as irrelevant, once the joker function of nuclear warfare is employed.
This intuitive notion is based on two main ideas:

  • There is no credible defense against nuclear weapons
  • Conventional weapons are unable to establish significant counter-value and counter-force deterance
Irans missile warfare doctrine of the 21st century relies on three main capabilities:
  • Ballistic missiles that are sufficiently accurate to perform point-strikes (~50m CEP) on the opponents key objects. These can be counter-value targets such as powerplants and other critical infrastructure or counter-value targets like missile silos or BMD early warning radars.
  • Ballistic missile launch and basing options that can survive an opponents nuclear counter-force decapitation strike and carry out the mission to inflict heavy damage on the opponent
  • The inflicted damage on the enemy is done in a sufficiently high pace to deny any counter-campaign aimed to neutralize Irans missile forces to bear fruits. Once that capability can be disabled, it has already spent its ballistic missile arsenal and has no further function in the conflict.
Once such a capability is reached, the nuclear option of the opponent is neutralized due to two realities:
  • A nuclear counter-force strike will not disable Irans counter-strike capability and what survives is sufficient to cause a scale of damage that can't be tolerated by the opponent
  • The scale of damage due to point-strike capability on critical and high value targets, reaches a level high enough, to be compared to what was previously only possible with nuclear weapons or at least complete air dominance.

Survivable basing


In August 2020 Iran revealed a novel soft basing method for solid fuel ballistic missiles; buried missile containers. This concept is based on ambiguity of true and decoy sites, as well as large areal distances such so called "missile farms" can have.
For a nuclear counter-force strike to neutralize these low hardened assets, large areas need to be hit, increasing the number of nuclear weapons needed.
Other solid fuel ballistic missiles in Irans arsenal are either:
  • Road-mobile, single autonomous vehicles, which can launch the missile quickly after receiving the order (e.g Sejil).
  • Or off-road capable transporter erector launchers that can hide in the terrain ( e.g Dezful).
Irans mountainous terrain is especially well suited for the latter of the two launch methods. Deep valleys deny line of sight for stand-off reconnaissance assets which requires it, as well as blast deflection of conventional and nuclear weapons.
Another mean Iran employs for increasing the survivability of its TELs is to design them small enough to disguise them as civilian trucks, e.g by using a plastic cover.

Dezful solid-fuel BM off-road twin-missile launch TEL



For liquid fueled missiles, the situation is more complicated.
Iran prefers to keep its liquids fuel ballistic missiles and even expand on it, despite the availability of solid fuel missiles for three main reasons:
  • The higher performance/ISP of liquid fuel ballistic missiles allows heavier payloads and longer ranges at same size.
  • They can be safely stored without any risk of explosion, or catastrophic cascade event, making them attractive for deep tunnel basing. That's primarily due to the physically separate location of fuel and oxidizer tanks as well as warheads
  • If stored in unfueled, dry condition, their lifetime without significant refurbishment is immense. The investment in the arsenal is hence a multi-generation one and life-cycle costs makes such conventional liquid fuel ballistic missiles attractive.
The problems liquid fueled missile cause are however also significant:
  • A well and continously trained crew is needed for fueling and handling the missile
  • Irans new generation missiles have fuel/oxidizer combinations which can't be used at high temperatures, typical in Iran
So while a solid fueled Sejil-2 TEL can travel hundreds of kilometres, disguised as civilian truck and hide anywhere, liquid fuel TELs can't operate very far from their home base.


Missile cities

The concept of storing the valuable ballistic missile arsenal in deep tunnel complexes is not new and China, North Korea and Iran are the countries that employ this basing concept most prominently. Iran calls this kinds a complexes "missile cities" due to their large scale.

These bases are often so deeply buried into mountains, that the arsenal is secure against nuclear weapon strikes. However nuclear strikes at the entrances of such bases can potentially disable them for the rest of a high intensity conflict or reduce their significance as they are not able to operate until they are fixed.

Missiles and TELs stored in a typical missile city tunnel


In conventional attacks against such missile tunnel complexes, excavator machines and other constructing machines will either re-open the entrance in a short period of time or create alternative emergency exits if necessary.
The entrance sections also employ high-grade tunnel lining with high-performance composite concrete.
Damage caused by conventional bunker busters against such entrance structures are lower than often intuitively anticipated. This is true for bunker busters that can be delivered by survivable airpower, as well as bomber delivered special assets like the GBU-57 massive ordnance penetrator.
So whereas dozens of meters of soft rock can be penetrated by such weapons or several roofs made of normal-grade concrete, the values dramatically diminishes to a few meters or lower against hard granite rock formations or high-performance composite concrete.

The effects on critical assets inside tunnel complexes via such conventional weapons is almost non-existent due to the rock formation overburden of typically 50-100m for the least hardened of these.
Hence a credible capability for fast repair and continued operation is guaranteed against conventional bunker busters.

At this point its necessary to stress the time-critical nature of operation of such missile tunnel complexes. With their sole goal being the launch of the complete stored ballistic missile arsenal and heavy conventional bunker busters having airpower as their only delivery platform a dilemma is created: In order to deliver the bunker buster, the opponents integrated air defense system and its assets must be degraded sufficiently to allow the chance of successful delivery of the weapon.
  • The range of Irans ballistic missiles allow missile cities to be based deep in the central areas of Iran, which is a vast country.
  • The distance airpower must survive, flying through hostile airspace, without a mission-kill or total loss, is hundreds of kilometres. Evasive maneuvering with such heavy payloads often equates to mission-kill.
  • The time criticality of ballistic missile warfare does not allow for a significant SEAD/DEAD campaign to disable the opponents IADS
  • Irans IADS and its assets have reached a technological level that enables effecitvley countering low observability techniques primarily employed by western airpower against high value targets.
  • Irans task would be the protection of a point target (missile city), which is magnitudes easier to defend than random area targets. Subsonic cruise missile delivered warheads would be most severely affected in such a point-defense engagement secenaro.

Countering missile cities

A solution to the threat presented by such missile city basing today would be nuclear warheads delivered by accurate ballistic missiles. Future options could be hypersonic conventional "bunker busting" missiles or low-yield earth penetrating warheads delivered by ballistic missiles.

Granite rock formations can withstand contact fuse 300 kiloton yield thermonuclear ballistic missile re-entry vehicle delivered warheads (~100m CEP) if the depth/overburden is around:
  • 300m if low-end rockbolt and mesh tunnel lining is employed. This is typical for very deep missile storage areas and low-risk transit tunnel sections which can tolerate damage.
  • 100m if high end backpacked concrete lining is employed. This is typical for critical forward sections with sensitive equipment and personel.
  • 30-50m if high-performance-concrete structures for entrance areas are present. Such transit sections can tolerate damage and spall/rubble and just need to remain passable.
Rockbolt and mesh liner type: Handling area
with polymer spall protection, transit area without



Entrance areas which nearly always have less granite overburden than those mentioned 30-50m, suffer great damage due to risk of complete tunnel collapse. To break free and clear such entrance sections for continued launch operations, a significant amount time is necessary. Multiple hits over time can permanentley disable the missile city for the duration of the war.
So while the missile arsenal can't be eliminated by the opponents nuclear weapon systems, a mission-kill for the conflict is possible against these kind of missile tunnel complexes.


Nuclear hardened missile cities

Missile cities that can withstand nuclear strikes and continue launch operations are of the cavern shaft type.
This concept does not need an entrance area or a opening large enough for a TEL to operate and instead launches missiles from inside of the mountain via a vertical shaft that can be dozens of meters in length.
As long as the shaft remains clear, launch operations can continue and the nature of this concept allows it to take several strikes of accurate (e.g. Trident II re-entry vehicles) counter-force-rated nuclear weapons and remain operational.

Cavern shaft launch of a Qiam SRBM



Since Irans lacks a nuclear triad and expensive delivery platforms such as SSBN's, it can concentrate its resources on developing such a complex and expensive basing method as cavern shaft basing.
During the trails for a basing method for the U.S MX Peacekeeper ICBM, cavern basing was assessed to be the most survivable basing concept in terms of hardness but also one of the most expensive ones.
Only Iran is known to employ the cavern shaft launch concept and potentially North Korea.
The rock overburden of such Iranian complexes are however probably not suitable for multiple nuclear weapon hits due to the relative low shaft depth.
Displayed examples of such complexes, show that they shot one missile at a time which works in counter to the time parameter that is of greatest important in high intensity missile warfare.

Early November 2020 Iran presented a novel ballistic missile launch and loading concept. A hardened-mobility electrical rail wagon, that carries 5 ready to launch liquid fuel missiles, which are loaded in a semi-automated erector system. It can be best described as a multiple-launch carousel-magazine loading and launch system which allows continuous parallel loading operations.

IRGC aerospace forces did not show how and where the missiles are launched.
The highest end launch method would be the combination with the previously unveiled cavern shaft launch concept, potentially with a vertical shaft with more than 100m depth.

However, it seems that Iran has selected a lower-end, much less complicated and resource-intensive concept that maintains nuclear hardness requirements.
The concept is based on following features:
  • An open-air pit, just deep enough not to be exposed to high blast over-pressure and thermal heat levels.
  • Small enough for very low risk of a direct nuclear RV hit into the pit.
  • Deep enough to require weapon trajectories with steep angle of attack, in order to hit the critical lower part of the pit, where the rails and tunnel door are located.
  • Location deep inside a valley to complicate weapon trajectories and make use of natural barriers for blast deflection
Detailed graphic showing how the new concept probably functions



The launch pit is drilled into hard granite rock and re-enforced and lined with high-performance concrete structures. Such relative small structures can be heavily protected against nuclear weapons, just like ICBM silos are designed to remain intact with a nearby hit of a thermonuclear warhead (~300m).
In contrast to a ICBM silo, the launch pit neither houses sensitive equipment nor has any other function than to house the door and the rails. Hence its tolerance to damage is not only higher but it can also be repaired with crude means if necessary.
The goal of the launch pit is to keep nuclear blast caused erosion low enough to allow the door and rails to remain intact. Ground shock levels, the primary defeat mechanism of nuclear weapons against hardened targets, need to remain low enough for the last 10-30m of the missile transit tunnel not to collapse irreparably. Vibration levels and suspension requirements in this tunnel section can be neglected as just collapse and door malfunction must be avoided.

Multi megaton yield nuclear warheads have more adverse effects but are not used for counter-force strikes, mainly since there are either fewer or heavier. Earth penetrating nuclear bunker busters are mainly restricted to airpower delivery as ballistic missile RV impact causes very high deceleration forces.

The newly unveiled complex

Loading chamber of new launch concept, note scale



Beside this new basing and launch concept the tunnel complex also has TELs as secondary launch option. The vast complex has deep missile storage sections with rockbolt and mesh lining, sections with polymer spall liners where sensitive equipment is handled and ground shock effects are likely to cause low damage. Warhead mating and TEL loading areas where the warhead is a risk for a catastrophic cascade effect and hence needs to be separrated from the rest of the complex.
Transit tunnel sections, where damage and spall is tolerable and rockbolt and mesh lining applied.
Critical sections and entrance areas with low overburden where high-end lining is applied.

Automatic electrical missile wagon in
transit tunnel section



Beside these details, a total firepower estimate would require to know how many loading areas are present, how many launch wagons as well as how many launch pits.
If it is a large complex as expected, hundreds of different ballistic missiles can be stored, which is done in the most deep sections. Those rockbolt and mesh low-cost lined sections have granite overburdens of 300-600m and are hence considered immune to nuclear attacks.

Liquid fuel missile types that are likely present and compatible with small modification are:
  • 800km range Qiam SRBMs with pin-point strike maneuverable re-entry vehicles (MaRV) as well submunition warheads. Primarily for use against airbases of neighboring counties to destroy specific assets or render operations impossible due to random interval strikes by submunition warheads that require to be cleared fist due to the risk of unexploded ordnance and random location.
  • 1700km range Emad MRBM with pinpont-strike MaRV warhead for regional opponents key military and high value objects.
  • 2000km range Khorramshahr heavy MRBM with submunition and MaRV warhead options. With a payload capability that is around 3-times higher than the Emad and Ghadr-H missile, this new ballistic missile with heavy warhead(s), will become available in higher numbers. In terms of cost-effect, a single Khorramshahr with a 1,8 ton submunition warhead inflicts the same damage as three Ghadr-H, which is a significant advantage.
In terms of firepower generation, depending on how many parallel loading areas are available in the complex to load an unmanned, automated wagon magazine, the value can vary strongly. As site location of this static system is known and the modern missiles employed do not require a turntable for azimuth alignment, loading is done relatively fast.
Compared to Irans tactical solid fuel missiles, the liquid arsenal is launched against predetermined targets, hence if the conflict is of high intensity, missiles will be launched as fast as possible.


Conclusion

In the past Iran achieved nuclear blast hardening with its cavern vertical shaft basing concept for its liquid fuel missile arsenal.

The new 5-missile launch and loading concept can also be applied to that concept, but it is expensive and a very mature missile system with highest reliability is necessary.

Instead it is expected that a sufficient degree of nuclear blast hardening is reached in combination with the open launch pit concept.

It allows existing missile cities to be retrofitted with this capability at a affordable cost and reasonable timescale.
This and the differing lining methods, shows that the IRGC aerospace force is very confident in what is needed to reach a certain objective, at high cost efficiency.

Working area and warhead mating



The dynamics at play for the creation of this basing method are very different to that of other nations:
  • Iran is not a nuclear power; it needs a vast amount of precise firepower to make a difference in a conflict and ultimately deter the opponent from a nuclear counter-force first strike. Here single-missile silos, make no sense for as each theater requires several hundred to up to thousands of ballistic missiles.
  • The lack of nuclear weapons, as well as different basing concepts for it, with the highest capability and most expensive option, SSBNs, allows resources to be concentrated on the conventional missile forces.
  • Iran has the necessary low-populated regions as well as highly mountainous topology and suitable rock formations to allow for such a basing method
The concept brings Iran closer to achieve a capability no other country has: Deter nuclear powers from a preemptive counter-force strike by conventional means. Iran has restricted itself to about 2000km missile range. This range used to be the maximum that could be achieved by a relatively cost efficient single stage missile.

With the technological level of Irans missile program improving quickly, at some point a two stage liquid fueled ICBM to deter the U.S mainland directly may become reality and for such a missile, the missile basing method shown, is likely already sufficiently large in its current state.

 
Mobile TEL are perhaps the oldest of the Iranian launch methods. Iran has done a great job so far, for example here is a TEL each carrying 2x 1000km ranged "Dezfoul" missile:

View attachment 687353

The more newer launch tactics include the recently revealed "missile farms". In this method, missiles are contained within canisters and kept in erected positions underground, covered with soil and are ready to fire. This is a different layout to underground "missile cities" we have seen before from Iran. In this new method, there is no need for the underground bunker systems. You can put these missiles almost anywhere and they are ready to fire with almost no preparation time needed.


See below thread for more details:

Novel Iranian missile launch technique - Underground canisters


These underground systems you see in this thread are "nuclear hardened" systems used to launch the Iranian liquid (mostly) fuelled systems. With the addition of this rail firing system, now they can fire their arsenal much more quickly and efficiently. If you want to read more, here is a great article on it:

------------------------------------------------------------





The concept
Interpretation of Irans new basing concept

Non-nuclear states can have the highest conventional military capability but are always regarded as irrelevant, once the joker function of nuclear warfare is employed.
This intuitive notion is based on two main ideas:

  • There is no credible defense against nuclear weapons
  • Conventional weapons are unable to establish significant counter-value and counter-force deterance
Irans missile warfare doctrine of the 21st century relies on three main capabilities:
  • Ballistic missiles that are sufficiently accurate to perform point-strikes (~50m CEP) on the opponents key objects. These can be counter-value targets such as powerplants and other critical infrastructure or counter-value targets like missile silos or BMD early warning radars.
  • Ballistic missile launch and basing options that can survive an opponents nuclear counter-force decapitation strike and carry out the mission to inflict heavy damage on the opponent
  • The inflicted damage on the enemy is done in a sufficiently high pace to deny any counter-campaign aimed to neutralize Irans missile forces to bear fruits. Once that capability can be disabled, it has already spent its ballistic missile arsenal and has no further function in the conflict.
Once such a capability is reached, the nuclear option of the opponent is neutralized due to two realities:
  • A nuclear counter-force strike will not disable Irans counter-strike capability and what survives is sufficient to cause a scale of damage that can't be tolerated by the opponent
  • The scale of damage due to point-strike capability on critical and high value targets, reaches a level high enough, to be compared to what was previously only possible with nuclear weapons or at least complete air dominance.

Survivable basing


In August 2020 Iran revealed a novel soft basing method for solid fuel ballistic missiles; buried missile containers. This concept is based on ambiguity of true and decoy sites, as well as large areal distances such so called "missile farms" can have.
For a nuclear counter-force strike to neutralize these low hardened assets, large areas need to be hit, increasing the number of nuclear weapons needed.
Other solid fuel ballistic missiles in Irans arsenal are either:
  • Road-mobile, single autonomous vehicles, which can launch the missile quickly after receiving the order (e.g Sejil).
  • Or off-road capable transporter erector launchers that can hide in the terrain ( e.g Dezful).
Irans mountainous terrain is especially well suited for the latter of the two launch methods. Deep valleys deny line of sight for stand-off reconnaissance assets which requires it, as well as blast deflection of conventional and nuclear weapons.
Another mean Iran employs for increasing the survivability of its TELs is to design them small enough to disguise them as civilian trucks, e.g by using a plastic cover.

Dezful solid-fuel BM off-road twin-missile launch TEL



For liquid fueled missiles, the situation is more complicated.
Iran prefers to keep its liquids fuel ballistic missiles and even expand on it, despite the availability of solid fuel missiles for three main reasons:
  • The higher performance/ISP of liquid fuel ballistic missiles allows heavier payloads and longer ranges at same size.
  • They can be safely stored without any risk of explosion, or catastrophic cascade event, making them attractive for deep tunnel basing. That's primarily due to the physically separate location of fuel and oxidizer tanks as well as warheads
  • If stored in unfueled, dry condition, their lifetime without significant refurbishment is immense. The investment in the arsenal is hence a multi-generation one and life-cycle costs makes such conventional liquid fuel ballistic missiles attractive.
The problems liquid fueled missile cause are however also significant:
  • A well and continously trained crew is needed for fueling and handling the missile
  • Irans new generation missiles have fuel/oxidizer combinations which can't be used at high temperatures, typical in Iran
So while a solid fueled Sejil-2 TEL can travel hundreds of kilometres, disguised as civilian truck and hide anywhere, liquid fuel TELs can't operate very far from their home base.


Missile cities

The concept of storing the valuable ballistic missile arsenal in deep tunnel complexes is not new and China, North Korea and Iran are the countries that employ this basing concept most prominently. Iran calls this kinds a complexes "missile cities" due to their large scale.

These bases are often so deeply buried into mountains, that the arsenal is secure against nuclear weapon strikes. However nuclear strikes at the entrances of such bases can potentially disable them for the rest of a high intensity conflict or reduce their significance as they are not able to operate until they are fixed.

Missiles and TELs stored in a typical missile city tunnel


In conventional attacks against such missile tunnel complexes, excavator machines and other constructing machines will either re-open the entrance in a short period of time or create alternative emergency exits if necessary.
The entrance sections also employ high-grade tunnel lining with high-performance composite concrete.
Damage caused by conventional bunker busters against such entrance structures are lower than often intuitively anticipated. This is true for bunker busters that can be delivered by survivable airpower, as well as bomber delivered special assets like the GBU-57 massive ordnance penetrator.
So whereas dozens of meters of soft rock can be penetrated by such weapons or several roofs made of normal-grade concrete, the values dramatically diminishes to a few meters or lower against hard granite rock formations or high-performance composite concrete.

The effects on critical assets inside tunnel complexes via such conventional weapons is almost non-existent due to the rock formation overburden of typically 50-100m for the least hardened of these.
Hence a credible capability for fast repair and continued operation is guaranteed against conventional bunker busters.

At this point its necessary to stress the time-critical nature of operation of such missile tunnel complexes. With their sole goal being the launch of the complete stored ballistic missile arsenal and heavy conventional bunker busters having airpower as their only delivery platform a dilemma is created: In order to deliver the bunker buster, the opponents integrated air defense system and its assets must be degraded sufficiently to allow the chance of successful delivery of the weapon.
  • The range of Irans ballistic missiles allow missile cities to be based deep in the central areas of Iran, which is a vast country.
  • The distance airpower must survive, flying through hostile airspace, without a mission-kill or total loss, is hundreds of kilometres. Evasive maneuvering with such heavy payloads often equates to mission-kill.
  • The time criticality of ballistic missile warfare does not allow for a significant SEAD/DEAD campaign to disable the opponents IADS
  • Irans IADS and its assets have reached a technological level that enables effecitvley countering low observability techniques primarily employed by western airpower against high value targets.
  • Irans task would be the protection of a point target (missile city), which is magnitudes easier to defend than random area targets. Subsonic cruise missile delivered warheads would be most severely affected in such a point-defense engagement secenaro.

Countering missile cities

A solution to the threat presented by such missile city basing today would be nuclear warheads delivered by accurate ballistic missiles. Future options could be hypersonic conventional "bunker busting" missiles or low-yield earth penetrating warheads delivered by ballistic missiles.

Granite rock formations can withstand contact fuse 300 kiloton yield thermonuclear ballistic missile re-entry vehicle delivered warheads (~100m CEP) if the depth/overburden is around:
  • 300m if low-end rockbolt and mesh tunnel lining is employed. This is typical for very deep missile storage areas and low-risk transit tunnel sections which can tolerate damage.
  • 100m if high end backpacked concrete lining is employed. This is typical for critical forward sections with sensitive equipment and personel.
  • 30-50m if high-performance-concrete structures for entrance areas are present. Such transit sections can tolerate damage and spall/rubble and just need to remain passable.
Rockbolt and mesh liner type: Handling area
with polymer spall protection, transit area without



Entrance areas which nearly always have less granite overburden than those mentioned 30-50m, suffer great damage due to risk of complete tunnel collapse. To break free and clear such entrance sections for continued launch operations, a significant amount time is necessary. Multiple hits over time can permanentley disable the missile city for the duration of the war.
So while the missile arsenal can't be eliminated by the opponents nuclear weapon systems, a mission-kill for the conflict is possible against these kind of missile tunnel complexes.


Nuclear hardened missile cities

Missile cities that can withstand nuclear strikes and continue launch operations are of the cavern shaft type.
This concept does not need an entrance area or a opening large enough for a TEL to operate and instead launches missiles from inside of the mountain via a vertical shaft that can be dozens of meters in length.
As long as the shaft remains clear, launch operations can continue and the nature of this concept allows it to take several strikes of accurate (e.g. Trident II re-entry vehicles) counter-force-rated nuclear weapons and remain operational.

Cavern shaft launch of a Qiam SRBM



Since Irans lacks a nuclear triad and expensive delivery platforms such as SSBN's, it can concentrate its resources on developing such a complex and expensive basing method as cavern shaft basing.
During the trails for a basing method for the U.S MX Peacekeeper ICBM, cavern basing was assessed to be the most survivable basing concept in terms of hardness but also one of the most expensive ones.
Only Iran is known to employ the cavern shaft launch concept and potentially North Korea.
The rock overburden of such Iranian complexes are however probably not suitable for multiple nuclear weapon hits due to the relative low shaft depth.
Displayed examples of such complexes, show that they shot one missile at a time which works in counter to the time parameter that is of greatest important in high intensity missile warfare.

Early November 2020 Iran presented a novel ballistic missile launch and loading concept. A hardened-mobility electrical rail wagon, that carries 5 ready to launch liquid fuel missiles, which are loaded in a semi-automated erector system. It can be best described as a multiple-launch carousel-magazine loading and launch system which allows continuous parallel loading operations.

IRGC aerospace forces did not show how and where the missiles are launched.
The highest end launch method would be the combination with the previously unveiled cavern shaft launch concept, potentially with a vertical shaft with more than 100m depth.

However, it seems that Iran has selected a lower-end, much less complicated and resource-intensive concept that maintains nuclear hardness requirements.
The concept is based on following features:
  • An open-air pit, just deep enough not to be exposed to high blast over-pressure and thermal heat levels.
  • Small enough for very low risk of a direct nuclear RV hit into the pit.
  • Deep enough to require weapon trajectories with steep angle of attack, in order to hit the critical lower part of the pit, where the rails and tunnel door are located.
  • Location deep inside a valley to complicate weapon trajectories and make use of natural barriers for blast deflection
Detailed graphic showing how the new concept probably functions



The launch pit is drilled into hard granite rock and re-enforced and lined with high-performance concrete structures. Such relative small structures can be heavily protected against nuclear weapons, just like ICBM silos are designed to remain intact with a nearby hit of a thermonuclear warhead (~300m).
In contrast to a ICBM silo, the launch pit neither houses sensitive equipment nor has any other function than to house the door and the rails. Hence its tolerance to damage is not only higher but it can also be repaired with crude means if necessary.
The goal of the launch pit is to keep nuclear blast caused erosion low enough to allow the door and rails to remain intact. Ground shock levels, the primary defeat mechanism of nuclear weapons against hardened targets, need to remain low enough for the last 10-30m of the missile transit tunnel not to collapse irreparably. Vibration levels and suspension requirements in this tunnel section can be neglected as just collapse and door malfunction must be avoided.

Multi megaton yield nuclear warheads have more adverse effects but are not used for counter-force strikes, mainly since there are either fewer or heavier. Earth penetrating nuclear bunker busters are mainly restricted to airpower delivery as ballistic missile RV impact causes very high deceleration forces.

The newly unveiled complex

Loading chamber of new launch concept, note scale



Beside this new basing and launch concept the tunnel complex also has TELs as secondary launch option. The vast complex has deep missile storage sections with rockbolt and mesh lining, sections with polymer spall liners where sensitive equipment is handled and ground shock effects are likely to cause low damage. Warhead mating and TEL loading areas where the warhead is a risk for a catastrophic cascade effect and hence needs to be separrated from the rest of the complex.
Transit tunnel sections, where damage and spall is tolerable and rockbolt and mesh lining applied.
Critical sections and entrance areas with low overburden where high-end lining is applied.

Automatic electrical missile wagon in
transit tunnel section



Beside these details, a total firepower estimate would require to know how many loading areas are present, how many launch wagons as well as how many launch pits.
If it is a large complex as expected, hundreds of different ballistic missiles can be stored, which is done in the most deep sections. Those rockbolt and mesh low-cost lined sections have granite overburdens of 300-600m and are hence considered immune to nuclear attacks.

Liquid fuel missile types that are likely present and compatible with small modification are:
  • 800km range Qiam SRBMs with pin-point strike maneuverable re-entry vehicles (MaRV) as well submunition warheads. Primarily for use against airbases of neighboring counties to destroy specific assets or render operations impossible due to random interval strikes by submunition warheads that require to be cleared fist due to the risk of unexploded ordnance and random location.
  • 1700km range Emad MRBM with pinpont-strike MaRV warhead for regional opponents key military and high value objects.
  • 2000km range Khorramshahr heavy MRBM with submunition and MaRV warhead options. With a payload capability that is around 3-times higher than the Emad and Ghadr-H missile, this new ballistic missile with heavy warhead(s), will become available in higher numbers. In terms of cost-effect, a single Khorramshahr with a 1,8 ton submunition warhead inflicts the same damage as three Ghadr-H, which is a significant advantage.
In terms of firepower generation, depending on how many parallel loading areas are available in the complex to load an unmanned, automated wagon magazine, the value can vary strongly. As site location of this static system is known and the modern missiles employed do not require a turntable for azimuth alignment, loading is done relatively fast.
Compared to Irans tactical solid fuel missiles, the liquid arsenal is launched against predetermined targets, hence if the conflict is of high intensity, missiles will be launched as fast as possible.


Conclusion

In the past Iran achieved nuclear blast hardening with its cavern vertical shaft basing concept for its liquid fuel missile arsenal.

The new 5-missile launch and loading concept can also be applied to that concept, but it is expensive and a very mature missile system with highest reliability is necessary.

Instead it is expected that a sufficient degree of nuclear blast hardening is reached in combination with the open launch pit concept.

It allows existing missile cities to be retrofitted with this capability at a affordable cost and reasonable timescale.
This and the differing lining methods, shows that the IRGC aerospace force is very confident in what is needed to reach a certain objective, at high cost efficiency.

Working area and warhead mating



The dynamics at play for the creation of this basing method are very different to that of other nations:
  • Iran is not a nuclear power; it needs a vast amount of precise firepower to make a difference in a conflict and ultimately deter the opponent from a nuclear counter-force first strike. Here single-missile silos, make no sense for as each theater requires several hundred to up to thousands of ballistic missiles.
  • The lack of nuclear weapons, as well as different basing concepts for it, with the highest capability and most expensive option, SSBNs, allows resources to be concentrated on the conventional missile forces.
  • Iran has the necessary low-populated regions as well as highly mountainous topology and suitable rock formations to allow for such a basing method
The concept brings Iran closer to achieve a capability no other country has: Deter nuclear powers from a preemptive counter-force strike by conventional means. Iran has restricted itself to about 2000km missile range. This range used to be the maximum that could be achieved by a relatively cost efficient single stage missile.

With the technological level of Irans missile program improving quickly, at some point a two stage liquid fueled ICBM to deter the U.S mainland directly may become reality and for such a missile, the missile basing method shown, is likely already sufficiently large in its current state.


What an awesome post! Please accept the poor man's positive rating:

1605050295231.png


Also, I had another question.....how many of such TEL's does Iran possess? I know no one knows the absolute amount but do you wager a guesstimate range?
 
Mobile TEL are perhaps the oldest of the Iranian launch methods. Iran has done a great job so far, for example here is a TEL each carrying 2x 1000km ranged "Dezfoul" missile:

View attachment 687353

The more newer launch tactics include the recently revealed "missile farms". In this method, missiles are contained within canisters and kept in erected positions underground, covered with soil and are ready to fire. This is a different layout to underground "missile cities" we have seen before from Iran. In this new method, there is no need for the underground bunker systems. You can put these missiles almost anywhere and they are ready to fire with almost no preparation time needed.


See below thread for more details:

Novel Iranian missile launch technique - Underground canisters


These underground systems you see in this thread are "nuclear hardened" systems used to launch the Iranian liquid (mostly) fuelled systems. With the addition of this rail firing system, now they can fire their arsenal much more quickly and efficiently. If you want to read more, here is a great article on it:

------------------------------------------------------------





The concept
Interpretation of Irans new basing concept

Non-nuclear states can have the highest conventional military capability but are always regarded as irrelevant, once the joker function of nuclear warfare is employed.
This intuitive notion is based on two main ideas:

  • There is no credible defense against nuclear weapons
  • Conventional weapons are unable to establish significant counter-value and counter-force deterance
Irans missile warfare doctrine of the 21st century relies on three main capabilities:
  • Ballistic missiles that are sufficiently accurate to perform point-strikes (~50m CEP) on the opponents key objects. These can be counter-value targets such as powerplants and other critical infrastructure or counter-value targets like missile silos or BMD early warning radars.
  • Ballistic missile launch and basing options that can survive an opponents nuclear counter-force decapitation strike and carry out the mission to inflict heavy damage on the opponent
  • The inflicted damage on the enemy is done in a sufficiently high pace to deny any counter-campaign aimed to neutralize Irans missile forces to bear fruits. Once that capability can be disabled, it has already spent its ballistic missile arsenal and has no further function in the conflict.
Once such a capability is reached, the nuclear option of the opponent is neutralized due to two realities:
  • A nuclear counter-force strike will not disable Irans counter-strike capability and what survives is sufficient to cause a scale of damage that can't be tolerated by the opponent
  • The scale of damage due to point-strike capability on critical and high value targets, reaches a level high enough, to be compared to what was previously only possible with nuclear weapons or at least complete air dominance.

Survivable basing


In August 2020 Iran revealed a novel soft basing method for solid fuel ballistic missiles; buried missile containers. This concept is based on ambiguity of true and decoy sites, as well as large areal distances such so called "missile farms" can have.
For a nuclear counter-force strike to neutralize these low hardened assets, large areas need to be hit, increasing the number of nuclear weapons needed.
Other solid fuel ballistic missiles in Irans arsenal are either:
  • Road-mobile, single autonomous vehicles, which can launch the missile quickly after receiving the order (e.g Sejil).
  • Or off-road capable transporter erector launchers that can hide in the terrain ( e.g Dezful).
Irans mountainous terrain is especially well suited for the latter of the two launch methods. Deep valleys deny line of sight for stand-off reconnaissance assets which requires it, as well as blast deflection of conventional and nuclear weapons.
Another mean Iran employs for increasing the survivability of its TELs is to design them small enough to disguise them as civilian trucks, e.g by using a plastic cover.

Dezful solid-fuel BM off-road twin-missile launch TEL



For liquid fueled missiles, the situation is more complicated.
Iran prefers to keep its liquids fuel ballistic missiles and even expand on it, despite the availability of solid fuel missiles for three main reasons:
  • The higher performance/ISP of liquid fuel ballistic missiles allows heavier payloads and longer ranges at same size.
  • They can be safely stored without any risk of explosion, or catastrophic cascade event, making them attractive for deep tunnel basing. That's primarily due to the physically separate location of fuel and oxidizer tanks as well as warheads
  • If stored in unfueled, dry condition, their lifetime without significant refurbishment is immense. The investment in the arsenal is hence a multi-generation one and life-cycle costs makes such conventional liquid fuel ballistic missiles attractive.
The problems liquid fueled missile cause are however also significant:
  • A well and continously trained crew is needed for fueling and handling the missile
  • Irans new generation missiles have fuel/oxidizer combinations which can't be used at high temperatures, typical in Iran
So while a solid fueled Sejil-2 TEL can travel hundreds of kilometres, disguised as civilian truck and hide anywhere, liquid fuel TELs can't operate very far from their home base.


Missile cities

The concept of storing the valuable ballistic missile arsenal in deep tunnel complexes is not new and China, North Korea and Iran are the countries that employ this basing concept most prominently. Iran calls this kinds a complexes "missile cities" due to their large scale.

These bases are often so deeply buried into mountains, that the arsenal is secure against nuclear weapon strikes. However nuclear strikes at the entrances of such bases can potentially disable them for the rest of a high intensity conflict or reduce their significance as they are not able to operate until they are fixed.

Missiles and TELs stored in a typical missile city tunnel


In conventional attacks against such missile tunnel complexes, excavator machines and other constructing machines will either re-open the entrance in a short period of time or create alternative emergency exits if necessary.
The entrance sections also employ high-grade tunnel lining with high-performance composite concrete.
Damage caused by conventional bunker busters against such entrance structures are lower than often intuitively anticipated. This is true for bunker busters that can be delivered by survivable airpower, as well as bomber delivered special assets like the GBU-57 massive ordnance penetrator.
So whereas dozens of meters of soft rock can be penetrated by such weapons or several roofs made of normal-grade concrete, the values dramatically diminishes to a few meters or lower against hard granite rock formations or high-performance composite concrete.

The effects on critical assets inside tunnel complexes via such conventional weapons is almost non-existent due to the rock formation overburden of typically 50-100m for the least hardened of these.
Hence a credible capability for fast repair and continued operation is guaranteed against conventional bunker busters.

At this point its necessary to stress the time-critical nature of operation of such missile tunnel complexes. With their sole goal being the launch of the complete stored ballistic missile arsenal and heavy conventional bunker busters having airpower as their only delivery platform a dilemma is created: In order to deliver the bunker buster, the opponents integrated air defense system and its assets must be degraded sufficiently to allow the chance of successful delivery of the weapon.
  • The range of Irans ballistic missiles allow missile cities to be based deep in the central areas of Iran, which is a vast country.
  • The distance airpower must survive, flying through hostile airspace, without a mission-kill or total loss, is hundreds of kilometres. Evasive maneuvering with such heavy payloads often equates to mission-kill.
  • The time criticality of ballistic missile warfare does not allow for a significant SEAD/DEAD campaign to disable the opponents IADS
  • Irans IADS and its assets have reached a technological level that enables effecitvley countering low observability techniques primarily employed by western airpower against high value targets.
  • Irans task would be the protection of a point target (missile city), which is magnitudes easier to defend than random area targets. Subsonic cruise missile delivered warheads would be most severely affected in such a point-defense engagement secenaro.

Countering missile cities

A solution to the threat presented by such missile city basing today would be nuclear warheads delivered by accurate ballistic missiles. Future options could be hypersonic conventional "bunker busting" missiles or low-yield earth penetrating warheads delivered by ballistic missiles.

Granite rock formations can withstand contact fuse 300 kiloton yield thermonuclear ballistic missile re-entry vehicle delivered warheads (~100m CEP) if the depth/overburden is around:
  • 300m if low-end rockbolt and mesh tunnel lining is employed. This is typical for very deep missile storage areas and low-risk transit tunnel sections which can tolerate damage.
  • 100m if high end backpacked concrete lining is employed. This is typical for critical forward sections with sensitive equipment and personel.
  • 30-50m if high-performance-concrete structures for entrance areas are present. Such transit sections can tolerate damage and spall/rubble and just need to remain passable.
Rockbolt and mesh liner type: Handling area
with polymer spall protection, transit area without



Entrance areas which nearly always have less granite overburden than those mentioned 30-50m, suffer great damage due to risk of complete tunnel collapse. To break free and clear such entrance sections for continued launch operations, a significant amount time is necessary. Multiple hits over time can permanentley disable the missile city for the duration of the war.
So while the missile arsenal can't be eliminated by the opponents nuclear weapon systems, a mission-kill for the conflict is possible against these kind of missile tunnel complexes.


Nuclear hardened missile cities

Missile cities that can withstand nuclear strikes and continue launch operations are of the cavern shaft type.
This concept does not need an entrance area or a opening large enough for a TEL to operate and instead launches missiles from inside of the mountain via a vertical shaft that can be dozens of meters in length.
As long as the shaft remains clear, launch operations can continue and the nature of this concept allows it to take several strikes of accurate (e.g. Trident II re-entry vehicles) counter-force-rated nuclear weapons and remain operational.

Cavern shaft launch of a Qiam SRBM



Since Irans lacks a nuclear triad and expensive delivery platforms such as SSBN's, it can concentrate its resources on developing such a complex and expensive basing method as cavern shaft basing.
During the trails for a basing method for the U.S MX Peacekeeper ICBM, cavern basing was assessed to be the most survivable basing concept in terms of hardness but also one of the most expensive ones.
Only Iran is known to employ the cavern shaft launch concept and potentially North Korea.
The rock overburden of such Iranian complexes are however probably not suitable for multiple nuclear weapon hits due to the relative low shaft depth.
Displayed examples of such complexes, show that they shot one missile at a time which works in counter to the time parameter that is of greatest important in high intensity missile warfare.

Early November 2020 Iran presented a novel ballistic missile launch and loading concept. A hardened-mobility electrical rail wagon, that carries 5 ready to launch liquid fuel missiles, which are loaded in a semi-automated erector system. It can be best described as a multiple-launch carousel-magazine loading and launch system which allows continuous parallel loading operations.

IRGC aerospace forces did not show how and where the missiles are launched.
The highest end launch method would be the combination with the previously unveiled cavern shaft launch concept, potentially with a vertical shaft with more than 100m depth.

However, it seems that Iran has selected a lower-end, much less complicated and resource-intensive concept that maintains nuclear hardness requirements.
The concept is based on following features:
  • An open-air pit, just deep enough not to be exposed to high blast over-pressure and thermal heat levels.
  • Small enough for very low risk of a direct nuclear RV hit into the pit.
  • Deep enough to require weapon trajectories with steep angle of attack, in order to hit the critical lower part of the pit, where the rails and tunnel door are located.
  • Location deep inside a valley to complicate weapon trajectories and make use of natural barriers for blast deflection
Detailed graphic showing how the new concept probably functions



The launch pit is drilled into hard granite rock and re-enforced and lined with high-performance concrete structures. Such relative small structures can be heavily protected against nuclear weapons, just like ICBM silos are designed to remain intact with a nearby hit of a thermonuclear warhead (~300m).
In contrast to a ICBM silo, the launch pit neither houses sensitive equipment nor has any other function than to house the door and the rails. Hence its tolerance to damage is not only higher but it can also be repaired with crude means if necessary.
The goal of the launch pit is to keep nuclear blast caused erosion low enough to allow the door and rails to remain intact. Ground shock levels, the primary defeat mechanism of nuclear weapons against hardened targets, need to remain low enough for the last 10-30m of the missile transit tunnel not to collapse irreparably. Vibration levels and suspension requirements in this tunnel section can be neglected as just collapse and door malfunction must be avoided.

Multi megaton yield nuclear warheads have more adverse effects but are not used for counter-force strikes, mainly since there are either fewer or heavier. Earth penetrating nuclear bunker busters are mainly restricted to airpower delivery as ballistic missile RV impact causes very high deceleration forces.

The newly unveiled complex

Loading chamber of new launch concept, note scale



Beside this new basing and launch concept the tunnel complex also has TELs as secondary launch option. The vast complex has deep missile storage sections with rockbolt and mesh lining, sections with polymer spall liners where sensitive equipment is handled and ground shock effects are likely to cause low damage. Warhead mating and TEL loading areas where the warhead is a risk for a catastrophic cascade effect and hence needs to be separrated from the rest of the complex.
Transit tunnel sections, where damage and spall is tolerable and rockbolt and mesh lining applied.
Critical sections and entrance areas with low overburden where high-end lining is applied.

Automatic electrical missile wagon in
transit tunnel section



Beside these details, a total firepower estimate would require to know how many loading areas are present, how many launch wagons as well as how many launch pits.
If it is a large complex as expected, hundreds of different ballistic missiles can be stored, which is done in the most deep sections. Those rockbolt and mesh low-cost lined sections have granite overburdens of 300-600m and are hence considered immune to nuclear attacks.

Liquid fuel missile types that are likely present and compatible with small modification are:
  • 800km range Qiam SRBMs with pin-point strike maneuverable re-entry vehicles (MaRV) as well submunition warheads. Primarily for use against airbases of neighboring counties to destroy specific assets or render operations impossible due to random interval strikes by submunition warheads that require to be cleared fist due to the risk of unexploded ordnance and random location.
  • 1700km range Emad MRBM with pinpont-strike MaRV warhead for regional opponents key military and high value objects.
  • 2000km range Khorramshahr heavy MRBM with submunition and MaRV warhead options. With a payload capability that is around 3-times higher than the Emad and Ghadr-H missile, this new ballistic missile with heavy warhead(s), will become available in higher numbers. In terms of cost-effect, a single Khorramshahr with a 1,8 ton submunition warhead inflicts the same damage as three Ghadr-H, which is a significant advantage.
In terms of firepower generation, depending on how many parallel loading areas are available in the complex to load an unmanned, automated wagon magazine, the value can vary strongly. As site location of this static system is known and the modern missiles employed do not require a turntable for azimuth alignment, loading is done relatively fast.
Compared to Irans tactical solid fuel missiles, the liquid arsenal is launched against predetermined targets, hence if the conflict is of high intensity, missiles will be launched as fast as possible.


Conclusion

In the past Iran achieved nuclear blast hardening with its cavern vertical shaft basing concept for its liquid fuel missile arsenal.

The new 5-missile launch and loading concept can also be applied to that concept, but it is expensive and a very mature missile system with highest reliability is necessary.

Instead it is expected that a sufficient degree of nuclear blast hardening is reached in combination with the open launch pit concept.

It allows existing missile cities to be retrofitted with this capability at a affordable cost and reasonable timescale.
This and the differing lining methods, shows that the IRGC aerospace force is very confident in what is needed to reach a certain objective, at high cost efficiency.

Working area and warhead mating



The dynamics at play for the creation of this basing method are very different to that of other nations:
  • Iran is not a nuclear power; it needs a vast amount of precise firepower to make a difference in a conflict and ultimately deter the opponent from a nuclear counter-force first strike. Here single-missile silos, make no sense for as each theater requires several hundred to up to thousands of ballistic missiles.
  • The lack of nuclear weapons, as well as different basing concepts for it, with the highest capability and most expensive option, SSBNs, allows resources to be concentrated on the conventional missile forces.
  • Iran has the necessary low-populated regions as well as highly mountainous topology and suitable rock formations to allow for such a basing method
The concept brings Iran closer to achieve a capability no other country has: Deter nuclear powers from a preemptive counter-force strike by conventional means. Iran has restricted itself to about 2000km missile range. This range used to be the maximum that could be achieved by a relatively cost efficient single stage missile.

With the technological level of Irans missile program improving quickly, at some point a two stage liquid fueled ICBM to deter the U.S mainland directly may become reality and for such a missile, the missile basing method shown, is likely already sufficiently large in its current state.

but because of its fixed nature it can easily be detected by IR satellites, long FLIR senors on strategic Bombers long range radars (AESA) on USN ships in Persian gulf and spy plane near Iran, and as a result it can easily be destroyed by hundreds of stealthy cruise missile from by Air and from the sea
 
but because of its fixed nature it can easily be detected by IR satellites, long FLIR senors on strategic Bombers long range radars (AESA) on USN ships in Persian gulf and spy plane near Iran, and as a result it can easily be destroyed by hundreds of stealthy cruise missile from by Air and from the sea

They can't launch "hundreds" of CM's that fast....I'm sure Iran has robust AD around the shore & inland.

Any nation (the Gulf or Saudi) that launches such strikes will be hit back also so the only possibility is from the sea.

These structures will also be deep in Iran, possibly near Central Asia, by the time the CM's even reach such sites, I expect most will be shot down by various means.

Edit: corrected Russian border to Central Asia
 
What an awesome post! Please accept the poor man's positive rating:

View attachment 687356

Also, I had another question.....how many of such TEL's does Iran possess? I know no one knows the absolute amount but do you wager a guesstimate range?

Thank you friend. Regarding your question, I would say at minimum "hundreds". Here is a picture from over 8 years ago where you can see the TEL for Iranian larger missile being delivered to the armed forces:

Iranian Guards take delivery of mass-produced long-range missile launchers

1605051040422.png


These TEL are used to launched missile in the 2000-3000km range, like such:

1605051284599.png


So given it's been 8 years and the rate of production was quite large, then we can surmise Iran could easily have made hundreds. These TELs are also kept in underground "missile cities":

1605051405468.png
 
Thank you friend. Regarding your question, I would say at minimum "hundreds". Here is a picture from over 8 years ago where you can see the TEL for Iranian larger missile being delivered to the armed forces:

Iranian Guards take delivery of mass-produced long-range missile launchers

View attachment 687358

These TEL are used to launched missile in the 2000-3000km range, like such:

View attachment 687359

So given it's been 8 years and the rate of production was quite large, then we can surmise Iran could easily have made hundreds. These TELs are also kept in underground "missile cities":

View attachment 687360

Is Iran working towards an ICBM?
 
but because of its fixed nature it can easily be detected by IR satellites, long FLIR senors on strategic Bombers long range radars (AESA) on USN ships in Persian gulf and spy plane near Iran, and as a result it can easily be destroyed by hundreds of stealthy cruise missile from by Air and from the sea

Have a look at the article I posted above, these missile "cities" are extremely hardened and can even withstand nuclear strikes, conventionally armed cruse missiles would do little to them. The most vulnerable part of these systems are their opening, so in theory you could dismantle their launching abilities, but keep something in mind, most of these "missile cities" have hidden openings and once they start launching, the enemies have very little time to respond and by the time they could do anything, the missiles are launched and on their way!
 
They can't launch "hundreds" of CM's that fast....I'm sure Iran has robust AD around the shore & inland.

Any nation (the Gulf or Saudi) that launches such strikes will be hit back also so the only possibility is from the sea.

These structures will also be deep in Iran, possibly near Central Asia, by the time the CM's even reach such sites, I expect most will be shot down by various means.

Edit: corrected Russian border to Central Asia
You means Alborz mountain range, that adjacent to Azerbaijan and just few miles from North of Tehran???
 
Is Iran working towards an ICBM?

For political reasons Iran has restricted its military missile range to 2000km. Overtly creating an ICBM would only fuel those that claim Iran is after nukes, as currently, ICBMs without WMD are not economical. But this is all officially. In reality Iran has already demonstrated ICBM technology via its space program. So until the day comes where Iran decides to openly declare its ICBMs, just keep an eye on its space program, that's where you'll see the ICBM technologies.
 
What an awesome post! Please accept the poor man's positive rating:

View attachment 687356

Also, I had another question.....how many of such TEL's does Iran possess? I know no one knows the absolute amount but do you wager a guesstimate range?

They say Iran is operating around 30-ish TEL-s so that gives you basic understanding of mobile firepower Iran has.
 
Have a look at the article I posted above, these missile "cities" are extremely hardened and can even withstand nuclear strikes, conventionally armed cruse missiles would do little to them. The most vulnerable part of these systems are their opening, so in theory you could dismantle their launching abilities, but keep something in mind, most of these "missile cities" have hidden openings and once they start launching, the enemies have very little time to respond and by the time they could do anything, the missiles are launched and on their way!
And what about EMP PULSES from Nuclear blast that will destroy electrical/ electronical systems of these MISSILE CITIES???
 
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