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Japan's best strategy to defeat China at sea

Japan will never defeat China at Sea again. The reason is simple. There will never be sea battles between China and Japan. The battle will be Sea-Air-Missile-Space combined. The idea of sea battle is out of date. It will never happen again among major powers.
 
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Japan will never defeat China at Sea again. The reason is simple. There will never be sea battles between China and Japan. The battle will be Sea-Air-Missile-Space combined. The idea of sea battle is out of date. It will never happen again among major powers.
That "all out war" will triggered WW3, mean end of all us, so stop hope that, limited war could be happen, very possible, so mean Japan could still win with their best ...
 
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The first military ground-based AESA was the J/FPS-3 which became fully operational with the 45th Aircraft Control and Warning Group of the Japan Self-Defense Forces in 1995.

The first series production ship-based AESA was the OPS-24 Fire-control radar introduced on the Asagiri-class destroyer DD-155 Hamagiri launched in 1988.

The first airborne series production AESA was the EL/M-2075 Phalcon on a Chilean Air Force Boeing 707 that entered service in 1994.

The first AESA on a combat aircraft was the J/APG-1 introduced on the Mitsubishi F-2 in 1995.

The first AESA on a missile is the seeker head for the AAM-4B air-to-air missile (Mitsubishi F-2, Mitsubishi F-15J).


OPS-24 is a shipborne three-dimensional, air search radar adopting active electronically scanned array (AESA) technology.

OPS-24 was developed by the Technical Research and Development (TRDI), and manufactured by the Mitsubishi Electric. It is the first AESA radar employed on an operational warship, introduced on the JDS Hamagiri (DD-155), the first ship of the latter batch of the Asagiri-class destroyer, launched in 1988. It is also being used on the Murasame and Takanami-class destroyers.

640px-OPS-24B_radar_on_board_DD-109.jpg


OPS-24 on JDS Ariake (DD-109)
Country of origin
23px-Flag_of_Japan.svg.png
Japan
Introduced 1990
Type 3D Air-search
Frequency L band
Azimuth 0-360°
 
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Japan lack the capacity of attacking, which mostly held by US force..
So it means nothing to ignore US force in Japan..
Also it make Japanese anxious that US may not want to start a war with China.
So if Japan and China have war out of Japan mainland, like Diaoyu Island, US would not help.(Which is quite likely)
So Japan now want attacking force..

Japan will never defeat China at Sea again. The reason is simple. There will never be sea battles between China and Japan. The battle will be Sea-Air-Missile-Space combined. The idea of sea battle is out of date. It will never happen again among major powers.
 
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Japan lack the capacity of attacking, which mostly held by US force..
So it means nothing to ignore US force in Japan..
Also it make Japanese anxious that US may not want to start a war with China.
So if Japan and China have war out of Japan mainland, like Diaoyu Island, US would not help.(Which is quite likely)
So Japan now want attacking force..

The Mitsubishi AAM-4 (Type 99 air-to-air missile, 99式空対空誘導弾 (99 Shiki Kūtaikū Yūdōdan?)) is a medium-range active radar homingair-to-air missile developed in Japan and intended to replace the semi-active radar homingAIM-7 Sparrow missile in service. It has been operational since 1999.

  • AAM-4B
Improved which aims to extend the stand-off range using the AESA seeker
Specifications

Length: 3,667 mm
Diameter: 203 mm
Wing span: 800 mm
Weight: 222 kg
Guidance:inertial guidance, mid-course update + terminal active radar homing
Range: 100 km (AAM-4), 120 km (AAM-4B)
Speed: Mach 4 – 5

Operators
23px-Flag_of_Japan.svg.png
Japan
1024px-JASDF_AAM-4B_20131124.JPG
 
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What is your comment on this missile??

The Mitsubishi AAM-4 (Type 99 air-to-air missile, 99式空対空誘導弾 (99 Shiki Kūtaikū Yūdōdan?)) is a medium-range active radar homingair-to-air missile developed in Japan and intended to replace the semi-active radar homingAIM-7 Sparrow missile in service. It has been operational since 1999.

  • AAM-4B
Improved which aims to extend the stand-off range using the AESA seeker
Specifications

Length: 3,667 mm
Diameter: 203 mm
Wing span: 800 mm
Weight: 222 kg
Guidance:inertial guidance, mid-course update + terminal active radar homing
Range: 100 km (AAM-4), 120 km (AAM-4B)
Speed: Mach 4 – 5

Operators
23px-Flag_of_Japan.svg.png
Japan
1024px-JASDF_AAM-4B_20131124.JPG
 
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Research and development of the F-2's fire-control upgrade began in 2004. The installation was mentioned in the fiscal 2010 budget, but little has been known about it. The ministry is always secretive about its air-to-air missiles.

The AAM-4, which has also been integrated in some of the Japan Air Self-Defense Force's (JASDF) Boeing F-15Js since 2007, has an active radar seeker and a data link. Like the Amraam, it can be launched at a range at which it could not detect the target. Instead, the fighter guides it toward the interception, making adjustments as necessary, with the missile seeker switching on partway through the flight—at which point the firing aircraft is free to evade, unlike one that must point at and illuminate the target for a semi-active missile.

Scant details released by the ministry show that the AAM-4 is larger than the Amraam, with the 200 mm (8 in.) diameter of the old, semi-active Raytheon AIM-7 Sparrow. It must have a correspondingly large antenna.

And in fitting an AESA antenna to the current production version, the AAM-4B, Japan appears to have made a notable advance. Made up of separate transmitter-receiver modules, such antennas are increasingly common in fighters but not, so far as is known, in air-to-air missiles. Among the advantages of the technology is greater detection range for a given antenna size.

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Early in the development program, in 2001, the ministry gave rough indications of the AAM-4B's capabilities. It could be launched at a 20% greater range than could the then-current AAM-4 and at least as far as an “AIM-120B+,” a standard that was expected to appear around 2004. The crucial claim was that the AAM-4B could switch to autonomous guidance at a 40% greater range than either of the other two missiles and would similarly outperform what was expected to be the 2009 standard of the Russian R-77 (AA-12 Adder). In a 2010 paper, the ministry attributed the seeker's greater performance to the higher transmitting power available from the AESA.

The implication is that an F-2 firing AAM-4Bs can stop tracking the target for missile guidance much sooner than an unmodified F-2 can—and officials tell Aviation Week that the key aim of the project is indeed to increase the range at which an F-2 can turn away.

Referring to this detail, a former high-ranking U.S. Air Force officer says: “In the air-to-air realm, a 40% increase in range is very significant and would provide the [Japan Air Self-Defense Force] a very capable missile.” The same person, highly familiar with the electronic technology of air warfare, does not regard the advances claimed for the upgraded F-2 as improbable; they are to be expected, he says.
 
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