Tethered tests of the U.S. Army Air Corps XR-1 helicopter at the Platt-LePage company factory in Eddystone Pennsylvania. The helicopter parked in front of hangar. Pilot Lou Leavitt in the cockpit and starts the engine. Several men watch and take pictures of the action. A group of men including Platt,Leavitt ,Le Page and Grover Loening talk to each other. XR-1 hovers as cars and trucks remain parked in the background. Several scenes in which the the helicopter lightly touches down and then takes off again.
Platt-LePage Aircraft Company of Eddystone, Pennsylvania. A boy poses by a cockpit mockup of the XR-1 helicopter. Pilot Lou Leavitt sits in the mockup with his arm around the boy. The boy poses with four employees of the Platt-LePage Aircraft Company. Scene shifts to flight testing of the U.S. Army Air Corps XR-1 helicopter, which moves about in a variety of maneuvers, demonstrating considerable stability and control, although confined to a relatively low altitude of approximately fifty feet.
Omaha Class U.S. cruisers at sea. B-17 D Flying Fortesses lined up to take off. A B-17 D Flying Fortess takes off. Flying Fortess in formation with close up of engine and spinning propellers. PT boats (patrol torpedo boats) under construction at factory. PT boat at sea. Formation of PT boats at sea. Narrator notes that all equipment is bound for England as part of the Lend Lease Act. USA flag superimposed over signature page of the Lend Lease Act.
Shows air raid drill in New York City. Demonstration of defense against air attacks is shown. Civilian spotters on roof locating position of enemy bomber planes and control informing fighter squadron. Aircraft P-40Cs taking off, B-18As in air and anti-aircraft artillery and machine guns firing. (World War II period).
Shows aircraft Curtiss CW-20B ready to take off. Crowd watching. Curtiss BW-20B taxiing out and taking off. Aircraft in flight.
Men near gas cylinders to inflate barrage balloon. Views of men inflating balloons and raising it using winch. Narrator talking of every major U.S. city soon having such protection (early in World War 2)