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, ...
FORT CAVAZOS — The 1st Cavalry Division’s 2nd Battalion, 82nd Field Artillery Unit, held a gunnery exercise Wednesday, showcasing the unit’s M109A7 Paladins, which are armed with 155 mm cannons.