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PA projects for upgrades

MadDog

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ISLAMABAD - Despite instability on its Afghan border and the growing threat of terrorism, Pakistan remains wedded to countering the existential threat from India. Therefore, improving conventional armor and mechanized warfare is still its primary focus as it strives for heavier tanks, broader situational awareness and greater self-protection.

The Pakistani main battle tank (MBT) fleet consists mainly of Chinese Type-59IIs upgraded to Al-Zarrar standard. This includes increased chemical/kinetic armor protection, thermal imaging sights, a new fire control system, a 125mm gun and an integrated battle management system (IBMS). The thermal imaging sights and the IBMS, which allow tanks within a formation to exchange target information, have increased detection and situational awareness capabilities, a cornerstone of the modernization efforts.

This is still viewed as a stopgap, however, with a new MBT considered the only viable long-term solution. The military also wants to move away from what are essentially first-generation Cold War MBTs to heavier tanks.

The indigenous Al-Khalid MBT program, which began entering service earlier in the decade, has experienced incremental upgrades, allowing it to fulfill this requirement for a heavier, more sophisticated vehicle.

According to defense analyst Usman Shabbir of the Pakistan Military Consortium, "The initial order was for 300 Al-Khalid MBTs. While these tanks were being built and delivered at a rate of 50 per year, improvements were already being worked on for the next version, the Al-Khalid I."

This, according to Shabbir, has been undertaken by the Advanced Armoured Research, Development and Integration Complex, which was set up by the manufacturers of the Al-Khalid, Heavy Industries Taxila (HIT). It is a dedicated body tasked with formulating upgrades for MBTs and other armored fighting vehicles. Shabbir said the Al-Khalid I is undergoing testing at HIT.

Shabbir claims the modifications made to the Al-Khalid I are mainly to electronic features, such as the fire control systems, the IBMS and sensors. "There are also improvements to physical features, such as side skirts, better track pads," he said.

Though electronic and other upgrades, such as increasing the rate of fire to nine rounds a minute, are not readily apparent, one visible modification is what HIT officials describe as the Active Threat Protection System. This is the Ukrainian "Varta'' electro-optical jammer, which bears a strong resemblance to the Russian/Ukrainian Shotra-1.

According to HIT, this system decoys anti-tank guided missiles and counters laser designators and range finders by causing false readings to disrupt tracking.

Another improvement is inclusion of a third-generation thermal imager from the French company Sagem. Night vision has been a traditional weakness of MBT fleets in South Asia, and both India and Pakistan are moving to rectify this shortcoming.

The Al-Khalid is also now fully air conditioned to resist summer temperatures in the southern deserts that can soar past 50 degrees Celsius (122 degrees Fahrenheit).

A further variant, termed the "Al-Khalid-II," is in its very early stages, and little information has been revealed.

However, Shabbir said the modular armor package is likely to be upgraded and the turret may feature a wedge shape, similar to that of the latest versions of the Chinese ZTZ-99/Type-99. Sensors and available ammunition types also are likely to be improved and the power-pack up-rated to a 1,500 horsepower unit, he added.

Efforts to increase situational awareness are not limited to modernization of the Al-Khalid. The Pakistani defense industry is developing a tactical reconnaissance capability to work in conjunction with armored units and be able to relay a local battlefield picture back to armored fighting vehicles within a formation over the IBMS. No officials were willing to comment publicly on such projects.

In the coming years, Pakistan's efforts to improve its armored quality and effectiveness through superior situational awareness are likely to become clearer. But at present, the public face of these efforts is improvements made to the Al-Khalid family of MBTs.

Pakistan Pushes Armor Upgrades - Defense News
 
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i was unable to find a comprehensive article on "Varta'' electro-optical jammer but all i come to know that they are almost the same thing as the ukrain/russain Shorta-1. here is some info about the shorto, i hope this will be informative for you guys!

typical deployment of IR jammer can be seen on the Russian T-90, which mounts the Shtora-1 Defensive Aids System (DAS) shown on picture, with Kontakt5 ERA modules (left). The system protects the tank against guided missiles, using both the semi-active command to line of sight (SACLOS) guidance, by an IR source that mimics the flare on the back of missiles, as well as laser beam riders and laser-homing weapons. It should be effective against missiles such as the TOW, HOT, AT-4, AT-5 and Sagger (Malyutka). The Russian system also has some capability to counter laser-guided munitions and ATGMs (Such as Hellfire, Kornet etc).
Shtora-1 uses a laser warning device operating in the 0.65-1.6 micron range, comprising of an array of coarse (photo below right) and fine resolution (photo below left) sensors, mounted externally on the turret. Each of the rough (coarse) laser sensor covers a sector of 135 degrees, while the fine sensor covers a 45 degrees, with 3.75 degrees angle of arrival resolution, and -5 to 25 deg. elevation coverage. The system can automatically slew the turret and gun at the direction of the threat, to optimize the deployment of a thermal smoke screen or activation of active protection systems. The sensor detects laser illuminating and alerts the crew and defensive systems. The warning display provides the commander and gunner with threat warning cueing, by sector (at a resolution of 5 degrees) and at a resolution of 3.75 degrees at the 90 deg. frontal arc. The display also provides jammer and countermeasures status indication. Countermeasures can employ a 81mm thermal instant smoke grenades, which deploy an instant smoke screen at a range of 50-80 meters from the tank, within 1.5 - 3 seconds. The 20 meter wide, 15 meter high screen blocks visual, thermal and laser (0.4 - 14 micron) wave bands. The system also employs a pair of electro-optical jammer, designated TShU1-7, which "hijacks" the missile's command link by feeding the tracker with modulated signals that cause the missile to deviate from its course, and away from its intended target.
Shtora-1 Active Protection System
 
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i think they should improve the suspension of the al khalid 2 from tortion bar to hydro pneumonic
 
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