Capt. Charles Trovarello, with the 439th Security Forces Squadron at Westover ARB, Ma., fires an M-203 grenade launcher during weapons training on Nov. 3, 2013. The M203 is a single-shot, 40mm grenade launcher designed to attach to a rifle.
Capt. Charles Trovarello, with the 439th Security Forces Squadron at Westover ARB, Ma., fires an M-203 grenade launcher during weapons training on Nov. 3, 2013. The M203 is a single-shot, 40mm grenade launcher designed to attach to a rifle.