U.S. Air Force Col. Thomas Wark, 192nd Fighter Wing commander, shakes hands with Erin Conaton, National Commission on the Structure of the Air Force vice chairman, at Langley Air Force Base, Va., Aug. 5, 2013. The independent commission is scheduled to visit a selected number of Air Force locations to assess the Air Force’s structure and determine if and how changes should be made. (U.S. Air Force photo by Staff Sgt. Stephanie Rubi/Released)

Members of the National Commission on the Structure of the Air Force visit with 1st Fighter Wing and 192nd Fighter Wing representatives at Langley Air Force Base, Va., Aug. 5, 2013. The NCSAF is an independent commission appointed by the fiscal year 2013 National Defense Authorization Act and is tasked with reviewing the Air Force’s structure to determine possible changes to meet future mission and funding challenges. (U.S. Air Force photo by Staff Sgt. Stephanie Rubi/Released)