Film titled 'Underwater Sentries'. U.S. Coast Artillery troops board a Destroyer Minelayer (DM). Stacked underwater mines in the foreground. DM leaves the dock. Sailors aboard the DM handle mines. Coils of wires on the deck. Sailors on a boat prepare distribution boxes. Cable is connected between the DM and the boat. Mines armed and cables connected from mines to distribution boxes that control firing. Mines are laid by the DM. Animation shows the laying of mines by the DM. (World War II period).
Ground mines aboard a Destroyer Minelayer (DM) underway in harbor. Ground mines planted in the harbor. Cover of ground mine is opened and cable to the distribution box is attached. A crane lowers the mine into the water. Cables connected from mines to distribution boxes that control firing. Distribution box is lowered in water. Animation shows the laying of ground mines by a DM. View of switchboards in the central control station at the harbor. Demonstration of reports received, interpreted and acted upon. Enemy vessels are destroyed. Huge explosions in water (World War II period).
Documentary titled, ' Oil Is Blood ' on production and transportation of petroleum and its by products in United States. Crude oil in a pit. Man takes samples from the pit. View of derricks at an oil drilling site. Derricks at sea. Exteriors of a building near the derricks. Service station attendants, pumping gas and cleaning the windshield, on a 1942 Lincoln Continental convertible, at a "Tydol Flying A" gas station. Scenes of busy highways and plenty of fuel give way to empty roads, closed gas stations, and restricted hours for obtaining fuel, as it is rationed during World War 2. Views of persons obtaining ration stamps and books. Various gasoline ration books including the "A" books (allowing the smallest amounts) and "B", "C", and other books allowing larger rations to more essential users. Oil rig "roughnecks" inserting new sections of pipe and proceeding to drill. Closeup of a "gusher" before it is capped. Men filling railroad tank cars with petroleum products. A long train of tank cars pulled by a steam locomotive. Animated map illustrates the ocean shipping lanes that formally served as means to transport fuel and oil, before the German U-Boat threat made them too dangerous for general use. Drums of fuel and oil being loaded aboard a ship to supply the Allies during the war. A convoy of ships heading to the war zone of North Africa.
U.S. Army anti aircraft gun of the 55th Brigade AAA during training exercise at Hammond Bombing and Gunnery Range near the Army Air Field in Hammond Louisiana during World War 2. Main anti aircraft batteries. A 90 mm canon. The muzzle of the 90 mm gun turns around. Camouflaged nets cover the gun. A jeep moves on a dirt road. A soldier with Antiaircraft Command (AA in a circle) shoulder patch steps from the jeep and walks toward a gun position.
U.S. Army anti aircraft artillery of the 55th Brigade AAA, during training exercises during World War II, at Hammond Bombing and Gunnery Range, near the Army Air Field in Hammond, Louisiana. A 40 mm Bofors gun in action. Radar equipment in operation on a field. A camouflaged .50 caliber Browning machine gun.
U.S. Army anti aircraft artillery of the 55th Brigade AAA training Hammond Bombing and Gunnery Range, near Hammond Army Air Field during World War II. Bombs burst amidst trees and smoke rises. Aircraft spotters look through binoculars towards the sky. A soldier sounds a hand operated air raid siren. View from above as a soldier drops into a fox hole. An U.S. Army soldier puts on a gas mask. Crew members operate a gun. A 90 mm gun is elevated.
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