U.S. Marines fire a M252 mortar during Professional Training for Midshipmen (PROTRAMID), on Camp Lejeune, N.C., May 27, 2015. The purpose of PROTRAMID is to expose midshipmen to opportunities in the Fleet Marine Forces and generate interest in a Marine Corps commission. (U.S. Marine Corps photo by Cpl. Michael Oxton MCI East-MCB CAMLEJ Combat Camera, Camp Lejeune/Released)