United States Army Air Forces aircraft at an airbase in the United States during World War 2. Airplanes parked. Nose of P-47 Thunderbolt. Names on the names of various P-47 aircraft, including "Spittin Maggie", "Coleen", "Honey Chile", "Ginnia 367" and "Hattie Hawgmeat" written on the planes. A man standing near a P-47.
The United States Naval Academy in the United States. The midshipmen marching in formation on the grounds of the academy. A few middies holding flags. The officers at the reviewing stand. The middies seated on chairs. An officer addresses them.
A government printing plant in the United States. The interior of a printing plant in the United States. Men and women working inside the plant. A man working on a printing machine. A woman stacking the bundles of papers. The printing of liberty bonds.
U.S. sailors assemble seaplanes in the United States. The seaplanes lined up on a shore in front of canvas hangars. A seaplane flies over a battleship and a submarine. United States sailors assemble the parts of an airplane. They put a wing into place, assemble the tail portion and place the propeller on the airplane.
A documentary shows a United States official explaining about the first nuclear powered submarine, USS Nautilus, with the help of a model submarine in the United States. He explains how the nuclear power works. The official talks about protection against radiation. He explains the mechanics of the nuclear power using a stick. He points at a uranium filled container and a boiler that produces steam for the turbine to start. The official demonstrates the operation of the power plant by opening and closing the turbine valve. He further talks about how the power plant works. Arrows on the pipes of the power plant.
A documentary shows a United States official explaining about the first U.S. submarine 'Turtle' with the help a picture in the United States. He explains the functioning of the submarine pointing at its picture with a stick in hand. He points at a lever in the front and a bomb at the other end of the picture. A chart explains that 1 pound of uranium is equal to 2,600,000 pounds of coal. Another chart shows batteries of the submarine. A picture of the RMS Queen Mary. A diagram on the chart shows the amount of air required to burn oil. A woman assistant removes the charts from a table.
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