Production of the DH-4 aircraft with the Liberty L-12 engine for the American air services in the United States during World War I. Interior of a factory. Several workers working in the factory. Wings for aircraft are being fabricated. Liberty motors installed on fuselage of aircraft in a factory. Animation over a map of the U.S. shows a cartoon of Uncle Sam talking over a telephone. (World War I; World War 1; WWI; WW1)
Development of air power. A seaplane launched from a submarine underway at sea in the United States. Sailors on the deck of a submarine roll out the fuselage of a United States Navy Cox-Klemin XS-1 seaplane. They attach the wings, floats and rudders to the craft. A U.S. flag flutters aboard the submarine. The XS-1 aircraft on the deck with engines running. The submarine submerges in water. The seaplane floats on the water.
Development of air power. USS Langley underway at sea in the United States. Takeoff of a Mark SC-2 aircraft from the aircraft carrier. Landing of the aircraft on the deck of the aircraft carrier.
USS Saratoga is launched in the United States. People and dignitaries gather during the launch. A bottle is broken on the bow and the aircraft carrier slides into water. The ship in the middle of a bay.
Development of air power. A seaplane fires a torpedo at a sea in the United States. Navy personnel roll a torpedo under and raise it up to the racks of a seaplane version of a Douglas torpedo bomber. The seaplane version of the Douglas torpedo bomber in flight. The aircraft drops a torpedo.
Development of air power. An army airplane in flight in the United States. Aerial view of a ship underway at sea. The early model aircraft lays a smoke screen over the water.
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