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The Signal Intelligence Service (SIS) was the United States Army codebreaking division through World War II. It was founded in 1930 to compile codes for the Army. It was renamed the Signal Security Agency in 1943, and in September 1945, became the Army Security Agency. [1]
Also allotted to the division were the 604th, 605th, and 616th Ground Artillery battalions, the 110th Signal Company, the 710th Ordnance Company, the 10th Quartermaster Company, the 10th Reconnaissance Troop, the 126th Engineer Battalion, the 10th Medical Battalion, and the 10th Counter-Intelligence Detachment. [5]
144th Armored Signal Company; 126th Ordnance Maintenance Battalion; ... 291st–999th Infantry Divisions, Named Infantry Divisions, and Special Divisions in WWII ...
Also assigned to the division were the 604th, 605th, and 616th Field Artillery Battalions, the 110th Signal Company, the 710th Ordnance Company, the 10th Quartermaster Company, the 10th Reconnaissance Troop, the 126th Engineer Battalion, the 10th Medical Battalion, and the 10th Counterintelligence Corps Detachment.
The Imperial German Army began its development of a signal intelligence organisation during World War I under the direction of Colonel Walter Nicolai.In 1906, Nicolai began his career in Abteilung IIIb, when he took over the intercept station at the Königsberg fortress in Königsberg [1] to mainly spy on the Russians. [2]
(The World War II Signal OCS program at Fort Monmouth, from 1941–1946 graduated 21,033 Signal Corps officers.) Modern warfare utilizes three main sorts of signal soldiers. Some are assigned to specific military bases ("Base Ops"), and they are charged with installation, operation and maintenance of the base communications infrastructure along ...
Vint Hill Farms Station was established during World War II in 1942 by the Army's Signal Intelligence Service (SIS). The 701-acre (284 ha) facility was built because the Army needed a secure location near SIS headquarters in Arlington Hall to serve as a cryptography school and as a refitting station for signal units returning from combat prior to redeployment overseas.
Before the development of radar and other electronics techniques, signals intelligence (SIGINT) and communications intelligence (COMINT) were essentially synonymous. Sir Francis Walsingham ran a postal interception bureau with some cryptanalytic capability during the reign of Elizabeth I, but the technology was only slightly less advanced than men with shotguns, during World War I, who jammed ...