From left, U.S. Air Force Chief of Staff, Gen. Mark A. Welsh III; the Commandant of the Marine Corps, Gen. James F. Amos; and the Commanding Officer of the Officer Candidates School (OCS), Col. Kris J. Stillings, attend the OCS Graduation Parade for Company C on Marine Corps Base Quantico, Va., Dec. 14, 2012. Following commissioning, new officers attend The Basic School at Quantico for a further six months of leadership training. (U.S. Marine Corps photo by Sgt. Mallory S. VanderSchans/Released)