Eleventh Air Force
Established on 28 December 1941 as the Alaskan Air Force at Elmendorf Field, Alaska Territory. 11 AF was a United States Army Air Forces combat air force in the American Theater of World War II, providing air defense of Alaska and engaging in combat operations primarily in the Aleutian Islands and Northern Pacific during the Aleutian Islands Campaign.
Eleventh Air Force
The ARS consists of minimally attended AN/FPS-117 radar sites which were established between 1984 and 1985 at the former manned surveillance and Ground Control Intercept sites of Alaskan Air Command, first activated in the 1950s. Elements of the 1985 North American Air Defense Modernization program followed. Flexible and graduated alert concepts were introduced in the 1990s.