Japan Military News, Reports, Data, etc.


XavNN

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Japan to develop and deploy Supersonic Glide Weapons that can target ships

The Japan Ground Self-Defense Force (JGSDF) plans to deploy a Hyper-Velocity Gliding Projectile (HVGP) in fiscal year 2026 as a new weapon to repel enemies that invade Japan's remote islands, from a safe distance. This HVGP could even target large surface ships such as aircraft carriers.
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ougoah

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It's now an era when Japan and the US are catching up to China in certain areas of military technology.
 

XavNN

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JMSDF Commissioned its 1st Li-Ion Battery Submarine SS-511 JS Ōryū おうりゅう

The Japan Maritime Self-Defense Force (JMSDF) commissioned its 11th Soryu-class diesel-electric attack submarine (SSK) in Kobe in Hyogo Prefecture on March 5, 2020. JS Ōryū (SS-511) joins the JMSDF’s Submarine Flotilla 1, based in Kure. It is the first-in-class boat to feature lithium-ion batteries.
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SamuraiBlue

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Feb 27, 2020 sorta related is
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I found a similar article at Defense news.com;

Japan unveils its hypersonic weapons plans


MELBOURNE, Australia — Japan has outlined its research and development road map for its homegrown, standoff hypersonic weapons, confirming that it is seeking an incremental growth in capability and providing more details about the kinds of threats it is targeting with this new class of weapon.

In a Japanese-language document published on the Acquisition, Technology and Logistics Agency website, the government said two classes of standoff hypersonic systems will be deployed — the Hypersonic Cruise Missile (HCM) and the Hyper Velocity Gliding Projectile (HVGP).

The former will be powered by a scramjet engine and appears similar to a typical missile, albeit one that cruises at a much higher speed while capable of traveling at long ranges.

The HVGP, on the other hand, will feature a solid-fuel rocket engine that will boost its warhead payload to a high altitude before separation, where it will then glide to its target using its altitude to maintain high velocity until impact.

The agency also provided more details regarding warhead payloads, with different warheads planned for both seaborne and land targets. The former will be an armor-piercing warhead designed specifically for penetrating “the deck of the [aircraft] carrier,” while a land-attack version will utilize a high-density, explosively formed projectile, or EFP, for area suppression....... to read further,
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I looked into ATLA website but was not able to find the same chart but I did find some interesting pages there as well.

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If you scroll past the XF9-1 part you'll find the 3D vector mechanism planned for the F-3. The will be powered by electric powered actuators.

You'll also find about a RAM/SCRAM hybrid engine design also under research at the bottom.
 

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