The Signal Corps: the test (December 1941 to July 1943)

December 1941: War in the Philippines. The impact of war in the Office of the Chief Signal Officer The call for troops (January-February 1942): Plans for getting enlisted men. Plans for getting officers. Getting civilians The call for equipment (January-May 1942): Radio for mobile armies and for world communication. Radio Airborne. Radar into the air for interception and search. Ground radar: the continuing exigencies of coastal defense The first months of the war overseas (January-May 1942): Toward Pacific outposts. China-Burma-India vicissitudes Alaska communications (January-July 1942): The command network. Kodiak, Otter Point, Dutch Harbor. The Alcan Highway. Canol and the Northwest Ferry Route. Communications for ground and air warning systems The first billion dollar Signal Corps (January-July 1942): The headquarters supply organization. The field organization Signal schooling (January-July 1942): The training structure. Camp Crowder. Camp Kohler. Fort Monmount. Camp Murphy

Signal equipment: wire and radio (June-October 1942): Toward automatic teletype and tape relay. Ground radio and radio link or relay, transformed by FM. Signal Corps provides VHF command radio for army airplanes Signal equipment: radar (June-October 1942): Airborne radars on the increase. IFFIdentification: friend or foe ; Signal Corps altimeters: Secretary Patterson's objections ; AIAirborne Interception Radar ; ASVAir-to-Surface-Vessel Microwave Radar Ground radar potentialities multiplied by microwave techniques. SCR-296, Seacoast Artillery Fire Control Radar ; SCR-582, Harbor Surveillance Radar ; SCR-615, Microwave Radar for GCI, ground-controlled interception ; SCR-602, Lightweight Warning Radar ; SCR-584, Microwave Tracking or GL, gun-laying radar ; MEW, Microwave Early Warning Radar Accumulating strength over the world (June-October 1942): Build-up for the Air Forces in the Northeast. Radars for aircraft warning. Defense to offense in the West Preparing for the first major test (June-November 1942)

The test at issue in North Africa (November 1942-May 1943): Stabilizing TORCH communications. New developments in combat communications. Signal Corps radars meet the test of war

Photo by U.S. Army Signal Corps (January 1942-mid-1943): Combat photography: early units and problems. The Training Film Program. Summary: the status of APS at mid-year 1943

Global communications (late 1942-mid-1943): The design for ACAN

The technical service a supply service (late 1942-mid-1943): Technical specialization vs. mass supply. The shrinking labor market. International aid. The shifting emphasis in procurement. The increasing importance of the distribution system

Signal Corps position in mid-1943 (May-June 1943): The situation at home and overseas. Headquarters crisis over supply and control problems.