General Atomics to Manufacture Hypersonic Projectiles for U.S. Navy’s Railgun Project General Atomics to Manufacture Hypersonic Projectiles for U.S. Navy’s Railgun Project arif2021-01-11T03:27:53+00:00 Testing railgun at Joint Institute for High Temperatures. (Image for representation) General Atomics Electromagnetic General Atomics to Manufacture Hypersonic Projectiles for U.S. Navy’s Railgun Projectarif2021-01-11T03:27:53+00:00