Test on waterborne missile 'Campbell', remotely controlled by radio and television. Missile disguised as a fishing board. Recording shows boat at harbor. Crew prepares to carry out test. Attacking projectile in boat revealed. Television transmitter and radio control receiver. B-17 planes. Plane in flight. Disguised missile as fishing boat taken into sea from docks by two men. Missile underway at sea in control of the plane. Plane in flight and crew at radio and television controls. Boat (missile) remotely controlled from plane. Images transmitted from missile shown. Freighter underway as seen from missile. Missile approaches freighter. Missile collides with freighter. Huge explosion in water raises smoke. Freighter sinks in water. Diver goes underwater to assess damage to the target. (World War II period).
Snow covered mountains on east coast of United States. Planes search for a simulated lost pilot during a rescue training exercise. A parachute glides down with a Doctor carrying emergency medical supply. A dog team searches for the soldier. The soldier is found and given medical care. The dog team and men face many obstacles. The team crosses a ravine by rigging rapelling lines. A sled dog is attached to the line and lowered to the waiting team where he is uncoupled from harness. The sled with the pilot is lowered in similar fashion. (World War II period).
Rockets used as practice targets for anti- aircraft gunners. Speed and accuracy of anti-aircraft guns is tested. The United States soldiers fire anti-aircraft guns. (World War II period).
Women in uniforms of WAVES (Women Accepted for Volunteer Emergency Services) and United States Coast Guard Women's Reserve known as SPARS (Semper Paratus Always Ready). Navy nurses seen on USS Guadalcanal.
Military training film depicts the causes of indicator jamming on the radio set, SCR-268. A ship underway. Newspaper headlines read about the German battleships which escaped British Army because their radio signals were jammed. Soldiers talk on radio. During Jamming weird pattern start appearing on the monitor screen. Sensitivity knob of the radio. Signs of jamming are seen. Scene changes to a civilian couple in a family living room sitting on a couch beside a console radio. They listen to the radio and talk. The man gets up and adjusts the tuning dial and the volume dial on the radio. The couple switches off radio because of interference in the radio broadcast. An animated diagram explains the jamming. Radio waves bounce back from the target. Target sends radio energy longer then those that bounce back. Jamming takes place. Jamming can be improved by making adjustments. (World War II period).
Cartoon animation 'Private Snafu' in 'Spies' leaks classified information a little at a time until the Germans and Japanese find out and sink his transport ship. World War II cartoon Private Snafu speaks over the phone and leaks out important information. He buys magazines, and drinks at a bar. He speaks to a woman. Bird carries a message in a letter to Adolf Hitler. Cartoon animation of Hitler speaking over microphone. German battleships prepare for war. German ships capture Private Snafu. Adolf Hitler interrogates Private Snafu.