People and press photographers stand outside the office of United States District Judge, Louis Goodman in Eureka, Missouri. As the door opens officials with James Yamaichi, a Japanese American under trial walks past the corridor and photographers take pictures. A man shows documents related to the case, as a woman stands next to him.
Department of Corrections at the San Quentin state prison in California. A car carrying a man gets into the prison compound. The man gets down from the car to enter the building. Inside the building American and Japanese are seen. James Yamaichi along with police officers arrives at the office of the United State Marshall Criminal Department. As they walk through a corridor photographers take pictures. Officers search James Yamaichi before entering the office.
A training film 'Blind Bombing' depicts Rebecca-Eureka radar device being used for low level bombing over blind targets. A bomber aircraft in flight at a low altitude over the forest. The OSS (Office of Strategic Services) officers look at the plane. Animation depicts the Eureka agent guides the Bomber aircraft in flight. The OSS men carry at the field. A hand of OSS ground agent encircles the enemy objective in his area. Bomber aircraft in flight over the objective area. A parachutist jumps in the target area. Animation shows the ground agent helping the Eureka agent to enter the target area. A part being selected for setting up Eureka beacon. A man hold Eureka, a radar beacon in his hand. U.S. Army Air Forces A-20G Havoc fighter aircraft in flight. The Rebecca operator in a cockpit. The Rebecca operator reads an indication. The aircraft in flight from where the beacon can give signal. OSS officers looks at the enemy location on a map. A parachutist boards the aircraft. The aircraft in flight. The ground agents look at the enemy target. The parachutist jumps at the target area. The agents runs and help him to gear off and they leave the field. They look into a paper. Both of them read the bombing table and set the Eureka location according to it. The Eureka being set up and tested. The ground agent activate the Eureka. The pilot and Rebecca operator get in the aircraft . Pilot at controls. The aircraft in flight. The beacon contact being made. The operator looks from the siliscope and signals back to Eureka. The aircraft in flight over the beacon. Animation describes the Seliscope pattern and aircarft in flight according to the beacon position. Aircraft in flight and Rebecca operator sends the alert signal. The ground member in contact with the Rebecca. The operator picks up the bomb release and in action. The ground agent gives signal and the bomb being drooped. Animation depicts the bomb being dropped at the right position
The role and contribution of the U.S. Army Signal Corps in combat and war. Parachute drop-markers with radio signals guide an airborne operation in the European Theater. U.S. airborne troops board a U.S. Army Air Forces Douglas C-47 Skytrain or Dakota transport aircraft. A woman soldier greets the paratroopers as they prepare to board the aircraft. The paratroopers jump out and descend towards the ground. The paratroopers are furnished with markers for every dropping point. A paratrooper with a radio beacon hooked onto his belt. The beacon is the ground section of the Eureka/Rebecca transponder system. The paratrooper fixes the Eureka extension including the cable and the receiver transmitter. Animation depicts the working of the Eureka-Rebeca system. An aircraft unloads paratroopers over Normandy in France during World War II. Allied troops, landing crafts, landing ships arrive at Normandy on D-Day (6 June 1944). Soldiers wade through the water towards the shore and advance inland across the beach.
Preparations for launch of the USS Hancock (CV-19) at Fore River Shipyard, Quincy, Massachusetts, on January 24, 1944. . Shipyard riggers removing supports from under the ship's hull. Platform at bow is decorated with bunting. Scene shifts to Brooklyn Navy Yard, New York, and the launching of the USS Missouri (BB-63), on January 29, 1944. Crowd gathered around the bow as the Missouri goes down the ways. Another change of scene to the Newport News Shipbuilding and Dry Dock Company of Newport News, Virginia. Here the ways are emptied following the launch of the Light Cruiser, USS Hancock (CL-81) on June 19, 1943. The Hancock can be seen in the water. Tugs attend to the newly launched Cruiser.
United States navy launches mighty ship USS Missouri. Margaret Truman christens the battleship. Ship Missouri move from its bay area into water. Huge crowd gathered to watch the launch. Battleship Missouri sails on water surface.