Army pilots in thrilling stunt flight, Maxwell field in Alabama, United States. Four pilots known as "Men on the Flying Trapeze," an Army flight demonstration team, pose in front of a U.S. Army Air Corps P-l2. From the left they are Sgt. William C. McDonald; an unidentified pilot; Captain Claire Chennault and Sgt. John H. Williamson. (Claire Chennault went on to lead the famous "Flying Tigers," The First American Volunteer Group (AVG) of the Chinese Air Force in 1941–1942.) Next, three P-12's are seen taking off together. When airborne, they start an inside loop, then execute other aerobatics in formation Three P-l2's executing a 360 degree roll. Three P-l2's in formation flight.