If there's one thing you want your multi-million dollar electromagnetic railgun to be, it's reliable, and the US Navy announced today that it's reached a key milestone towards that goal. It's now successfully fired its prototype gun 1,000 times, which translates to as many as 15 shots per week. In recent years, those tests have generally been conducted at a 1.5 megajoule launch energy, which the Navy puts into perspective by noting that "a one-ton vehicle moving at 100 mp
