The Gravely’s Gatling gun — crucial to defend the ship from cruise missiles and other threats — uses electronically fired bullets to achieve its necessarily high rate of fire. , the ship’s radar must be turned off while the gun is loaded, so that its electromagnetic field does not accidentally fire the Gatling’s electronic ammunition. So, what would happen in an EMP attack? Would that crucial gun be rendered useless, or a danger to the ship or surrounding U.S. naval vessels? – The Hill