A polio vaccination program in the United States. A doctor injects polio vaccine. A member of the public and health committee stands behind him. A nurse stands on the left side of the doctor. Doctors inject vaccines to people in a hospital. A man and a woman seated on a table. The nurse injects polio vaccine.
U.S. General James Harold Doolittle inspects a B-29 Stratofortress in the United States. B-29 takes a turn on a runway. General Doolittle stands near a B-29. He and the pilot enter the B-29. The General at the controls. He looks out the window of the B-29. Another B-29 parked in the background. B-29 taxis and takes off.
U.S. General James Harold Doolittle inspects B-29 Stratofortress in the United States. General Doolittle gets into a B-29 and then comes out. He is escorted by officers and he gets into a car. B-29 taxis and takes off. Planes parked in the background. B-29 taxis on the runway.
U.S. Army Air Service engineers demonstrate the Ruggels Orientation which is used to check the fitness of applicants for flying in the United States. The engineers stand near the machine used for the Ruggels Orientation. An engineer sits on a three axes chair and demonstrate its operation. An engineer sits in the machine and demonstrates the examination.
Activities of the U.S. Army Air Service in the United States. A Curtiss PW-8 in flight. The PW-8 performs a barrel roll, a double roll and a tail spin while in flight. An aerial view of houses and buildings. The PW-8 flies on its back and the pilot controls it perfectly.
Activities of the U.S. Army Air Service in the United States. An XA-1 ambulance plane taxis. Two patients in the plane. The XA-1 in flight.
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