Glider program
Air Force Academy cadets fly in a TG-15A glider Feb. 23, 2010, above Colorado Springs, Colo. Cadets typically fly 10 to 15 training sorties in the TG-15A and undergo 50-hour cross-country upgrade training before they can fly cross-country solo in the TG-15B. (U.S. Air Force photo/Tech. Sgt. Samuel Bendet)