U.S. Marine Corps Lance Cpl. Jonathan Gilbert looks through the scope of his M240 medium machine gun while providing security for his platoon Jan. 7, 2016, on Camp Hansen in Okinawa, Japan. Marines with Alpha Company, Battalion Landing Team 1st Battalion, 5th Marines, 31st Marine Expeditionary Unit, navigated the jungles of Okinawa in search of a simulated enemy platoon. Gilbert, a machine gunner with Alpha Co., BLT 1/5, 31st MEU, is a native of Frederick, Maryland. (U.S. Marine Corps photo by Lance Cpl. Carl King)