NONCOMMISSIONED OFFICERS Students at the Air Force Senior Noncommissioned Officers Academy stand as Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, enters Gunter Annex on Maxwell Air Force Base, Ala., Feb. 21, 2012. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 580912-Q-VNF39-713.jpg Photo Gallery