The U.S. government says it has approved support for Japan's development of upgraded Hyper Velocity Gliding Projectiles, which are launched from the ground, travel at supersonic speeds and fly in irregular trajectories. https://www.japantimes.co.jp/news/2026/03/26/japan/politics/us-support-japan-missile-development/?utm_medium=Social&utm_source=mastodon #japan #politics #usjapanrelations #missiles #sdf #defense