Air Force Col. Charlie Perham, deputy director of basing with the Office of the Deputy Under Secretary of Defense, briefs Air Force Col. Korvin Auch, 633rd Air Base Wing commander, and Joint Base Langley-Eustis, Va., senior leaders about the future prospects of joint basing during his visit to the base Sept. 20, 2012. Representatives from OSD toured the joint base to receive feedback and inform leaders from both installations about the future of joint basing. (U.S. Air Force photo/Staff Sgt. Ashley Hawkins)