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. Bombing tests on USS Alabama in September 1921 in the United States. USS Alabama anchored in water. A soldier arms and works on fuse mechanism of a large bomb swung underneath a large bomber. A standard-Handley Page 0/400 bomber in flight to the right over water. A United States Army Air Corps Dayton Wright DH-4 aircraft in flight to the left dropping a bomb. The bomb explodes on the ship. A phosphorus bomb explodes on the ship and engulfs the entire ship in smoke. The ship explodes. Part of the superstructure topples off into the water. The ship lists over a side with one of the towers bent over and lying in the water.
Development of air power. U.S. Navy Lieutenant Al J. Williams in the United States. He holds the official world speed record at 266.6 miles an hour. A United States Navy Curtiss R2C-1 racer parked on an airfield. Lt. Williams in the cockpit of the aircraft. U.S. Navy Rear Admiral W. A. Moffett shakes hands with Lt. Williams. Cameramen and officials in the background. The Curtiss R2C-1 racer flies past and overhead around a pylon. The aircraft comes in for a landing.
Aircraft are used for different purposes in the United States. Passengers climb the stairs and into an early model bi winged, twin engined passenger airliner. Passengers exit an early model touring car and get into a U.S. Navy Larsen JL-6 transport aircraft. A pilot gets into the cockpit of the passenger aircraft. The aircraft taxis and takes off. Passengers getting in and out of the cabin of an early model seaplane. An Aeromarine West Indies Airways U.S. and Cuban mail service amphibian, which is a converted U.S. Navy TN-1O airship, in flight over water. Passengers looking out of the windows of the converted TN-1O airship. Men load cargo into the cockpit of a United States Army Air Service Curtiss JN-6 aircraft.
Aircraft are used for different purposes in the United States. Ambulance aircraft offer fastest means of transporting the injured. A United States Army Air Service Cox-Klemin XA-1 ambulance aircraft taxis. Men put a stretcher patient into a U.S. Navy model of a DH-4 Amb-1 ambulance airplane. The ambulance aircraft takes off and in flight.
Aircraft are used for different purposes in the United States. The U.S. Air Mail Service makes use of commercial aviation. Workmen place mail sacks in the front cockpit of a U.S. mail service modified Airco DH-4 aircraft. A pilot in the back cockpit. The aircraft takes off. Animation shows a small aircraft going over a line on a map from New York across the United States. An early model U.S. mail service aircraft in flight. Animation of a small airplane traveling along a line on a map from New York to San Francisco. Chicago, Omaha and Cheyenne highlighted on the map.
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