From left, U.S. Marine Corps Gen. James N. Mattis; the Deputy Commandant for Combat Development and Integration, Lt. Gen. Richard P. Mills; and Col. Todd S. Desgrosseilliers, visit the Infantry Officers Course at the The Basic School (TBS) on Marine Corps Base Quantico, Va, Mar. 27, 2013. (U.S. Marine Corps photo by Sgt. Christopher A. Green, HQMC Combat Camera/Released)