U.S. civilians work on the propeller blades of submarines at a dry dock in Hawaii, United States.
Men at work at a harbor in the United States during World War II. Shipping at Pearl Harbor. Ships tied up at the pier as they undergo repair. Hawaiian street. Buildings along the sides of the street. Vehicles pass on the street. Military policemen stand on the street. Two MPs seated in a jeep.
Activities of the U.S. Navy at the Pearl Harbor during World War II. Locomotive at the harbor. Other equipment stacked in the harbor area. Few buildings in the area. Wooden logs stacked.
Activities of the U.S. Navy at the Pearl Harbor during World War II. Salvage activities aboard U.S. Navy USS West Virginia battleship. Part of the salvage crew aboard the ship. Sign boards reads: 'Air raid alarm will be tested', 'All hands lug one case of empty cokes to the beach.' Also 'No Smoking' and 'No visitors allowed'. Men working on the ship. Damaged equipment on the ship. The mountains in the background. A diver climbing out of water via ladder.
Film opens showing the nuclear submarine, USS Nautilus (SSN 571) moving underway, on the surface, in the Thames River, near Groton, Connecticut. Several crew members stand on the boat's deck, as it heads toward the Long Island Sound. Change of scene shows a cartoon representation of a nuclear reaction occuring inside a nuclear reactor. Next, the reactor is seen enclosed in a containment with a pump attached. To this a heat exchanger is then shown in combination with the reactor and pump. Finally, the cartoon schematic includes a turbine, drive, and a propeller. An arrow points to control and fuel rods atop the reactor containment, and fuel rods descend into the reactor. The next animated illustration shows the reactor and drive assembly through a cutaway in a sketch of the Nautilus submarine.
Several zirconium-clad fuel rods of highly enriched uranium (HEU) are seen on a table. A hand rolls more beside the others, making a total of 6 rods. An engineer is seen at a work station associated with testing of the prototype pressurized water reactor plant for the USS Nautilus (SSN 571). Scene shifts to the Atomic Energy Commission's National Reactor Testing Station in Idaho, where a truck is delivering a hydraulic cooling pump for the prototype reactor. View across barren terrain of a building at the site, where the prototype reactor is being tested. Closer view of the building and monitoring equipment housed in a small structure outside. Closeup of reactor pressure vessel being moved on an overhead crane and lowered into position and installed inside the facility. Instrumented control panel for the prototype reactor. A man steps to the panel and manipulates the main control wheel. Closeup of gauge reflecting effects of control movements.
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