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Japan unveils its hypersonic weapons plans

This Japanese-language graphic shows the country's two planned hypersonic weapons: (1) the Hypersonic Cruise Missile and (2) the Hyper Velocity Gliding Projectile. GRAPHIC SOURCE: Defense News/Japan's Acquisition, Technology and Logistics Agency

By Mike Yeo | 14 March 2020

DEFENSE NEWS — 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. […]

1 Comment on Japan unveils its hypersonic weapons plans

  1. The former will be an armor-piercing warhead designed specifically for penetrating “the deck of the [aircraft] carrier,” – Japan learned the lessons of WWII, while America is still building multi-billion dollar floating mausoleums.
    https://www.g2mil.com/EMALS.htm

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