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.
Early model aircraft are used for different purposes in the United States. The Department of Agriculture and U.S. Army Air Service kill insect pests. A DH-4D aircraft crop dusts a field. The Department of Agriculture fights boll weevil with the help of U.S. Army Air Service. A DH-D Curtiss aircraft with a Wright engine crop dusts a field.
Aircraft are used for different purposes in the United States. An army blimp sprays poison on moths, destroyers of timber. Men load insecticide into the hopper in the gondola of a U.S. motor balloon. The balloon in flight over a wooded area. It dusts the woods with the insecticide powder.
Aircraft are used for different purposes in the United States. Men and a pilot and an observer load a three-lensed camera into the back cockpit of a two-winged bi-plane for map making. A view from an aircraft into the two cockpits of another aircraft directly below. Two U.S. Army Air Service officers assemble a mosaic map on a wall. A mosaic aerial map. An aerial photograph of New York City, the Island of Manhattan with the East River on the right and the Hudson River on the left.
Aircraft are used for different purposes in the United States. Skywriter advertising. A skywriter aircraft that has made the letter 'S' and is completing a 'T'.
Aircraft are used for different purposes in the United States. A U.S. Navy Loening amphibian aircraft in flight over a water body during tests performed prior to a U.S. Navy three year expedition to Alaska. The aircraft lowers its landing gear. By folding the wheels the ship is converted into a hydroplane. The Loening aircraft in flight. It raises its landing gear. It lands on water, taxis and rolls out of the water onto a beach.