STK105995MA machine gun crew in firing position during the Korean War.
STK106030MU.S. Army soldiers stand on top of a large 274mm railroad gun.
STK106036MView of a 90mm AAA gun emplacement, Okinawa, Japan.
STK105334MSailors conduct maintenance on the MK38 MOD-2 25mm machine gun system.
STK105565MUSS Halsey fires its MK-45 5-inch/54-caliber lightweight gun.