Under water tunnel construction. A power plant water tunnel construction for the Ford Motor Company in the United States. Workers talk standing at the entrance of the plant. Cars at the entrance of the plant. Men push loaded and unloaded hand cars into and out of a tunnel. Workers roll concrete blocks on a car into the tunnel. They attach a block to a crane. The crane moves the block into position for an erector to pick it up. The erector picks up the block and swings it into place in the roof of the tunnel.
Soldiers of the American Expeditionary Forces (A.E.F.) 168th Infantry Regiment (42nd Infantry Division) prepare soil with rakes and hoes, and plant vegetables in a garden in Badonviller, France, during World War 1.
An intelligence patrol of the American Expeditionary Forces (A.E.F.) 3rd Battalion, 168th Infantry Regiment (42nd Infantry Division) reconnoiters during World War 1.They are completely covered in camouflage clothing, as they crawl amongst trenches and earthworks of the battleground to observe conditions in "no man's land."
Soldiers of the American Expeditionary Forces (A.E.F.) 151st Field Artillery Regiment (42nd Infantry Division) pitch quoits at their headquarters in Neuf Maison, France during World War 1. Some of their comrades watch the match from behind a wooden railing.
The Ranger combat training school at Fort Shafter in Hawaii, United States, during World War 2. Soldiers carry logs in a group. Men raise and lower logs while practicing. Men climb up and down a hill carrying logs to condition them to carry heavy supplies and equipment in combat.
A film about the United States Army Air Force Lockheed P-38 Lightning aircraft in the United States. The instruction version of the P-38 aircraft. A new recruit talks to American aviator Milo Garrett Burcham. Burcham sits in a cockpit. He operates the brakes to control the speed of the propellers. Propeller switches are operated to control revolutions per minute (RPM ) of the aircraft. Warning lights glow. A circuit breaker trips up as a short circuit occurs. The circuit breaker is pushed down. The aircraft taxis. Propeller system is operated, a booster pump is switched on and toe brakes are held. The brakes are applied to get the desired speed. Manifold Pressure Gauge on a panel. The aircrafts takes off. The warning lights blink. The circuit breakers trip. The RPM gauge shows increased propeller speed. The RPM is reduced to desired value. A circuit breaker switch is pushed. The aircraft in flight. The pilot operates handles and switches for single engine operation in case of an engine failure.
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