Navy officials unveiled two prototype weapons Tuesday that have been cloaked in secrecy for years, and are capable of firing seven times the speed of sound.
They are electromagnetic railguns, developed by the Office of Naval Research.
A railgun can fire a projectile up to 5,600 miles per hour – about six times faster than a bullet from a handgun – at a range of up to 110 miles, Rear Adm. Matthew Klunder said.
It delivers up to 32 megajoules of energy.
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