Commandant of the U.S. Marine Corps, Gen. James F.

Commandant of the U.S. Marine Corps, Gen. James F. Amos, left, and Sergeant Major of the Marine Corps, Sgt. Maj. Micheal P. Barrett, right, pose next to Sgt. Malachijah M. Clark, a staff non-commissioned officer in charge expeditor with Marine Aerial Refueler Transport Squadron (VMGR) 252, Special Purpose Marine Air-Ground Task Force Crisis Response (SP MAGTF-CR) at Moron Air Base, Spain, Sept. 2, 2014. Amos and Barrett meritoriously promoted Clark to the rank of sergeant. (U.S. Marine Corps photo by Sgt. Gabriela Garcia/Released)