A pigeon carrier demonstration at Fort Monmouth, New Jersey. Pigeons in a cage are used for transferring messages. A soldier writes a message on a paper and ties it on a pigeon's leg. Pigeon back at Fort Monmouth. A soldier takes out the paper from its foot.
Exteriors of Fort Monmouth and its Camp Evans Signal Laboratory in New Jersey. Radar dishes revolving in fenced area. Visit of U.S. Senator Joseph McCarthy, Chairman of Senate Subcommittee investigating "Army Signal Corps Subversion and Espionage.". Among those accompanying Senator McCarthy are Roy Cohn, chief counsel to the Senate Subcommittee , Senator H. Alexander Smith, of New Jersey, Robert T. Stevens,Secretary of the Army, Congressman James O. Auchincloss, of New Jersey, and Major General K.B.Lawton, Commanding General of Fort Monmouth. McCarthy and companions board a Military Air Transport C-47 aircraft to depart.
The role and contribution of the U.S. Army Signal Corps in combat and war. U.S. Army Signal Corps officers train at the Signal Corps Officer Candidate School (OCS) Fort Monmouth, New Jersey. Officers train at telegraph machines under the supervision of an instructor. Officers seated at desks in a classroom. Instructors take classes with the help of charts, diagrams and black boards. Officers seated atop electric poles for training. Two officers train in hand-to-hand combat at the OCS. Officers learn to use Radio Relay. Students listen to an instructor as he demonstrates the process. A U.S. soldier lays field wire across a hilly terrain to establish wire communications in the European Theater during World War II. Soldiers on the hill. Soldiers set up a sending station at the point where the wire can't go forward. A receiver is set up at the point from where the wire can go forward again. A soldier receives a photograph of a map through facsimile. Items of signal communication including radio relays, receivers, walkie-talkies, radio boxes and fuses to be produced and distributed by the USA Signal Corps to all other ground forces, navy and the Allies. New, modern, improved efficient signal communication equipment. A soldier displays two old type fuses and their counterparts.
Senator Joseph McCarthy, Chairman, Senate Subcommittee, investigating Army Signal Corps Subversion and Espionage at Fort Monmouth, during a press conference at the Federal Building in New York City. He is accompanied by Major General K.B Lawton, Commanding General of Fort Monmouth (in civilian clothes). Journalist asks Senator McCarthy about the outcome of the investigations into leaked information. McCarthy discusses suspensions of employees at Forth Monmouth due to communist activities and involvement with communism and espionage.
A training film titled: 'Pro Patria Vigilans' on the wartime and peacetime activities of the U.S. signal Corps. United States Army General Douglas MacArthur aboard the U.S. Army battleship USS Missouri during the Japanese surrender ceremonies in 1945. Aircraft flying in formation overhead. Antiaircraft guns directed towards the aircraft. Signal Corps recruits train at Fort Monmouth, New Jersey. The recruits dive and swim across water. The soldiers attend lecture by an officer. A sign reads: 'Field Radio Course'. Men working in the radio room and are trained. An officer training the soldiers with the help of a model. The coastal defense training of the soldiers. The soldiers study the communication equipment. An aircraft takes off and lands near the message center. A sign outside the building reads: 'Master Message Center'. Officers seated at a desk, discussing a map.
The role and contribution of the U.S. Army Signal Corps in combat and war. U.S. shuttle ships loaded with signal communication supplies for U.S. and Allied troops in the European Theater make their way in the Atlantic ocean. The Squier Laboratory at Camp Alfred Vail in Fort Monmouth, New Jersey. A technician works on signal communication equipment in the laboratory. U.S. soldiers use mine detectors in the European Theater during World War II. The mine detectors detect metallic, non-metallic mines, wooden box mines, and mines in glass containers. Artillery soldiers bury large microphones into the ground in advance zones. The microphones relay back information on enemy artillery. Soldiers receive the information on radio sets. U.S. aircraft on a training flight simulating real combat situation: The aircraft lost in heavy rain and rough weather, looking for the location of Boston. The pilot switches on a modern advanced radar. The radar waves pierce thick clouds, are reflected by Earth's surface and display an image on the scope. The image shows the clear location of Boston harbor directly under the aircraft. U.S. bombers attack over the Channel coast on D-Day (6 June, 1944). U.S. soldiers employ meteorological equipment for long range weather forecast in the European Theater during World War II. Soldiers release a hydrogen balloon into the sky. Another soldier uses an apparatus to take readings of atmospheric conditions behind enemy lines. An aircraft drops an automatic weather station called SCM-18-TI by parachute into enemy territory. The timed mechanism sends out weather data in codes. The interior of the automatic weather station lying open in a field.