U.S. Army Air Corps 1st Provisional Wing at an annual training in San Francisco, California. U.S. Army Air Corps C-3 aircraft on a field. California state police men load motorcycles into the aircraft. A policemen tries to put on a parachute. A pilot helps the policemen to put on the parachute. Policemen board C-2 aircraft and bid goodbye. A girl bids adieu to a pilot. Nearly 200,000 spectators at the Mills Field, San Francisco. U.S. Army Air Services LB-6, B-2, A-3, P-12 aircraft in flight. Spectators look on. A-3 aircraft lays a smoke screen.
U.S. Army Air Corps 1st Provisional Wing at an annual training in San Francisco, California. U.S. Army Air Corps C-3 aircraft taxis on a field. Major General J. L. Hines and Commander of the 1st Provisional Wing Brigadier General William Gillmore get off the aircraft. They shake hands with Army Air Corps officer. General Hines and Brigadier General Gillmore talk to each other. Aircraft lined up on Mather airfield in California. U.S. Army Air Corps P-12s, LB-6s, B-2s and A-3s in flight over the field.
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 ' Avalanche Control ' about the dangers posed by avalanches and the methods to control them in Alta, Utah. Men set up a gun and fire it at a snow covered slope. Snow drifts down the slopes as an avalanche occurs. Steep mountains, open slopes and a snow covered area in Alta, Utah. A highway amidst a snow covered area leading to a ski resort. A machine removes snow from the area. An avalanche affected area near a ski resort. Another area with uprooted and displaced electric poles after an avalanche.
A training film about the dangers posed by avalanches and the methods to control them in Alta, Utah. People enjoy skiing in Alta, Utah. A skier comes down a steep slope. Snow flakes fall on a red surface. A man walks on a level snow covered ground. Wind blows away snow. Steep slopes along mountains susceptible to avalanches. Different types of avalanches like the small snow drift. Snow comes down a slope without posing any danger to life and property. Another type of avalanche is flood avalanche where an enormous mass of snow crashes into the valley posing a great threat to life and property.
CRITICALPAST.COM: About Us | Contact Us | FAQs - How to Order | License Agreement | My Account | My Lightboxes | Shopping Cart | Advanced Search | Featured Collections | Website Terms & Conditions | Privacy Policy ©2026 CriticalPast LLC.
License Agreement |
Terms & Conditions |
Privacy Policy
©2026 CriticalPast LLC.