The U.S. Navy has shelved its ambitious electromagnetic railgun, citing cost, technical risk, and brutal rail-wear issues.

Key Points and Summary - The Navy railgun advanced fast—and then vanished. The reasons were practical: barrels cracked from brutal heat and electromagnetic stress in under 30 shots, fire rates lagged, ...

The Navy is shifting away from its electromagnetic railgun after more than 10 years of trying to create a weapon that uses electricity to fire projectiles at up to seven times the speed of sound, The ...

The Navy—solid state lasers (SSLs), the electromagnetic railgun (EMRG), and the gun-launched guided projectile (GLGP) [aka hypervelocity projectile (HVP)] for about a decade. The US Navy’s proposed ...