U.S. Army Col. Reggie Austin, 633rd Air Base Wing vice commander, leads the Air Force song before the president addresses the crowd at Langley Air Force Base, Va., Oct. 19, 2011. Obama said he hopes to create roughly 25,000 jobs for veterans, and their spouses, over the next two years. (U. S. Air Force photo by Staff Sgt.Antoinette Gibson /Released)