Activities of the U.S. Army Air Corps at Langley Field, Virginia. Two armament men sliding 300 lb bombs across ground and under a B-10. Two officers look on, a second B-10 parked in the background. Group of civilians seated on bleachers. Formation of six P-6Es in flight. Frame house in the foreground. Bullets hitting practice targets on ground. Several boats in water in the foreground. B-10s flying in formation. Aircraft dropping bombs. Six 300 lb bombs descending. Train of bombs exploding in field. Smoke and dust from exploding bombs. Small motor-powered launch anchored in water in the foreground.
Activities of the U.S. Army Air Corps in San Francisco. Row of parked B-10s with crewmen standing in front of the aircraft. An army blimp in flight over aircraft. Brigadier General Plaggert and staff walking across flight line in front of row of the parked B-10s. Crewmen standing in front of the aircraft. Row of the parked P-12s, engines running. Three B-10s taking off together. P-12 taxiing in the foreground. P-12s flying in formation. Brigadier General Plaggert making a speech.