U.S. Army Air Corps 1st Provisional Wing at an annual training in California, United States. U.S. Army Air Corps World War I pilots pose in front of an aircraft before participating in maneuvers. Group of pilots including Captain Frank O.D. Hunter. A pursuit plane piloted by Captain Hunter in flight as it demonstrates aerobatic maneuvers. Aircraft rotates in mid air. A formation of LB-6, B-2 and P-12 aircraft in flight during the Air Corps exercise.
U.S. Army Air Corps 1st Provisional Wing at an annual training in San Francisco, California. U.S. Army Air Corps LB-6 aircraft lays a smoke screen at medium altitude. Puff of white smoke over the Mather field. Aircraft parked on the field as smoke spreads over it.
A training film about the means of forecasting avalanches in Alta, Utah. A snow ranger skies down a slope during testing. Incorrect and correct or safer ways of test skiing demonstrated. Explosives being used to set an avalanche in motion. Cables attached and a charge package of TNT (Trinitrotoluene) prepared. Fuse lit up with an igniter. A man throws the charge and explosion results in a crater indicating the least possibility of occurrence of an avalanche. Another man throws a charge and results in slab avalanche as snow breaks up in blocks. An electric cap being used to control time of detonation of explosive. A man throws the charge and a slab avalanche occurs as a result of a slide set on motion by the explosion. A man works on a projectile called avalauncher. Men work on the projectile and fire it at a slope.
U.S. 8th Photographic Reconnaissance Squadron in south Pacific during World War II. U.S. Army Air Forces P-38 aircraft lined up on a taxi way. Men under the nose of the aircraft. Aircraft lined up.
U.S. 8th Photographic Reconnaissance Squadron in the South Pacific during World War II. U.S. Army Air Forces P-38 Lightning aircraft lined up on a taxi way. Nose sections and fronts of the aircraft seen as camera rolls by several in a line. Aircraft lined up.
United States Marines during Allied operations in Guam, Mariana Islands, World War 2. Japanese aircraft in flight as they begin to dive. Palm trees on the island. Bomb damaged jungle area with uprooted trees on the ground. Smoke rises from the jungle. U.S. Marines advance as smoke rises in the background. Uprooted trees on ground. Vapor trails in the sky. U.S. Marines advance. Allied tanks advance across the jungle. Smoke rises as the jungle is on fire.
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