180308-F-UZ569-1221
Lt. Col. Alexander Heyman, right, 71st Student Squadron commander, and 2nd Lt. Mitchel Bie, student pilot, shake hands after the dollar exchange following Bie's "dollar ride," March 8, at Vance Air Force Base, Oklahoma. It is traditional that students in Specialized Undergraduate Pilot Training give their instructor a dollar after their first flight. (U.S. Air Force photo/ Airman Zachary Heal)