Final folding
MCGHEE TYSON AIR NATIONAL GUARD BASE, Tenn. – Tech Sgt. Robert Martin from the 101st Maintenance Squadron, Bangor, Maine, participates in the graduation retreat ceremony of Noncommissioned Officer Academy here May 23, 2013 at the I.G. Brown Training and Education Center. (U.S. Air National Guard photo by Master Sgt. Kurt Skoglund/Released)