A key promoter of communications technology.
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Overview:
The United States Army Signal Corps (USASC) is a branch of the United States Army that creates and manages communications and information systems for the command and control of combined arms forces. It was established in 1860, the brainchild of Major Albert J. Myer, and had an important role in the American Civil War. Over its history, it had the initial responsibility for portfolios and new technologies that were eventually transferred to other U.S. government entities. Such responsibilities included military intelligence, weather forecasting, and aviation.
History:
While serving as a medical officer in Texas in 1856, Albert James Myer proposed that the Army use his visual communications system, called aerial telegraphy (or "wig-wag"). When the Army adopted his system on 21 June 1860, the Signal Corps was born with Myer as the first and only Signal Officer.
Myer's vision came true on 3 March 1863, when Congress authorized a regular Signal Corps for the duration of the war. Some 2,900 officers and enlisted men served, although not at any single time, in the Civil War Signal Corps.
Myer's Civil War innovations included an unsuccessful balloon experiment at First Bull Run, and, in response to McClellan's desire for a Signal Corps field telegraph train, an electric telegraph in the form of the Beardslee magnetoelectric telegraph machine. Even in the Civil War, the wigwag system, restricted to line-of-sight communications, was waning in the face of the electric telegraph.
Initially, Myer used his office downtown in Washington, D.C. to house the Signal Corps School. When it was found to need additional space, he sought out other locations. First came Fort Greble, one of the Defenses of Washington during the Civil War, and when that proved inadequate, Myer chose Fort Whipple, on Arlington Heights overlooking the national capital. The size and location were outstanding. The school remained there for over 20 years and ultimately was renamed Fort Myer.
Signal Corps detachments participated in campaigns fighting Native Americans in the west, such as the Powder River Expedition of 1865.
The electric telegraph, in addition to visual signaling, became a Signal Corps responsibility in 1867. Within 12 years, the corps had constructed, and was maintaining and operating, some 4,000 miles of telegraph lines along the country's western frontier.
In 1870, the Signal Corps established a congressionally mandated national weather service. Within a decade, with the assistance of Lieutenant Adolphus Greely, Myer commanded a weather service of international acclaim. Myer died in 1880, having attained the rank of brigadier general and the title of Chief Signal Officer. The weather bureau became part of the U.S. Department of Agriculture in 1891, while the corps retained responsibility for military meteorology.
The Signal Corps' role in the Spanish–American War of 1898 and the subsequent Philippine Insurrection was on a grander scale than it had been in the Civil War. In addition to visual signaling, including heliograph, the corps supplied telephone and telegraph wire lines and cable communications, fostered the use of telephones in combat, employed combat photography, and renewed the use of balloons. Shortly after the war, the Signal Corps constructed the Washington-Alaska Military Cable and Telegraph System (WAMCATS), also known as the Alaska Communications System (ACS), introducing the first wireless telegraph in the Western Hemisphere.
. . . A pioneer in radar, Colonel William Blair, director of the Signal Corps laboratories at Fort Monmouth, patented the first Army radar demonstrated in May 1937. Even before the United States entered World War II, mass production of two radar sets, the SCR-268 and the SCR-270, had begun. Along with the Signal Corps' tactical FM radio, also developed in the 1930s, radar was the most important communications development of World War II.
