A United States Army Air Service sergeant during parachute jumps at the Mitchel Field in New York.

United States Army Air Service personnel demonstrate parachute jumps at Mitchel Field in New York. A sergeant on a plane with a parachute on his back. The sergeant jumps from the aircraft. He opens the parachute and lands without mishap. A view of the sergeant dropping from the aircraft. The second jump from the aircraft. A delay in opening of the parachute. The sergeant lands safely.