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Bolinas Beach California USA 1934 stock footage and images
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Protecting harbors against sneak attack craft.
Animation depicts various means of detecting sneak attack craft and protecting harbors. It illustrates ways of detecting a sneak torpedo through means like multi terrain loop and short pulse herald. A man in a control room speaks on a phone. A human torpedo underwater. A torpedo dives under the water. Detection device used to detect the presence of torpedoes in water. A technician works on the control panel of the detection device. A graph being printed. Short pulse herald technique being used to to detect torpedoes underwater. A radar detects the presence of torpedoes in sea. A torpedo underway on the surface and underwater. Effectiveness of torpedo nets. (World War II period).
An officer briefs trainees at Motor torpedo boat squadron training center in the United States in World War II.
A U.S. Navy training film titled 'The PT's' about the role and importance of patrol boats during a war ( World War 2). A sign reads 'Motor torpedo boat squadron training center' in the United States. Trainees in a class room as U.S. Navy Lieutenant Commander John D. Bulkeley briefs them about the role of torpedo motor boats. The trainees listen to him carefully and take down notes. Patrol boats underway at sea. A gunner aboard a boat as an explosion occurs at sea.
Men of motor torpedo squadron work on different parts of a patrol boat in the United States.
A U.S. Navy training film about the role and importance of patrol boats during a war (World War II). A patrol boat underway at a sea in the United States. Four 50 caliber machine guns and a 1 mm canon aboard the boat. A torpedo being loaded aboard the patrol boat. Motor torpedo squadron insignia on the sleeves of personnel. A signalman waves flags. A navigator at work. Men in a workshop as they work on engine and other parts of the patrol torpedo boats. Men at the work shop as they work on various equipment. A navigator plots on a map to locate an enemy ship. The patrol boat underway as a man works on controls. Explosions occur at sea. Lieutenant Commander John O. Bulkeley welcomes new trainees.
A PBM Mariner aircraft in flight on a coastal anti submarine patrol during World War II.
A U.S. Navy training film titled 'PBM Mariner' about the role and importance of U.S. Navy PBM Mariner aircraft during World War II. A PBM Mariner aircraft in flight as it patrols an area in the United States. The PBM aircraft drops bombs in water and explosions occur. The PBM Mariner in flight. It taxis on water and lands.
A PBM Mariner aircraft in flight and different parts that make up its design are pointed out in the United States.
A U.S. Navy training film about the role and importance of U.S. Navy PBM Mariner aircraft during World War II. A PBM Mariner takes off from the surface of a sea in the United States. The aircraft in flight. The design of a PBM Mariner III like the wings, tail and rudders forming a triangle being pointed out on a picture. The aircraft in flight. A side view of the Mariner shows the wings piled up on the top. The rudders being pointed out. The PBM Mariner in flight and different parts of the aircraft like the wings, rudders, engines and floats being pointed out.
A messenger dog carries messenger pigeons and lays a telephone wire across a battlefield in the United States (WW2)
A World War II film about the use of war dogs and their training by the Remount section of the Quartermaster Corps in the United States. A demonstration shows a soldier as he puts carrier pigeons in baskets and ties the baskets on the back of a black colored messenger dog. The dog delivers the messenger pigeons to a soldier and the soldier releases the pigeons. A soldier ties a harness around a dog's back to carry a telephone wire across a battlefield. The dog runs across the field under fire and lays the telephone wire across the field. A soldier makes a call through the newly connected line.
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