Air Defense Sector

Air Defense Sector may refer to Air Defense Command areas after the SAGE Geographic Realignment or to military units with the same name during periods of the Cold War (14 sectors on 1 January 1960):

Named for CONUS regions:
 * Eastern Air Defense Sector (1956—1966, 1987—present), headquartered at McGuire AFB then Griffiss AFB (now Griffiss Business and Technology Park)
 * Southwest Air Defense Sector, headquartered at
 * Southeast Air Defense Sector, headquartered at
 * Western Air Defense Sector, headquartered at

Named for metropolitan areas:
 * Albuquerque Air Defense Sector (1950, 1960), headquartered at Kirtland Air Force Base
 * Bangor Air Defense Sector, headquartered at
 * Boston Air Defense Sector, headquartered at
 * Chicago Air Defense Sector, headquartered at
 * Detroit Air Defense Sector, headquartered at
 * Denver Air Defense Sector (1959), a SAGE sector in the Rocky Mountain division with the Reno ADS and planned to have an underground Super Combat Center near Denver
 * Duluth Air Defense Sector, headquartered at
 * Ft Knox Air Defense Sector, headquartered at
 * Goose Air Defense Sector, headquartered at
 * Grand Forks Air Defense Sector, headquartered at
 * Great Falls Air Defense Sector, headquartered at
 * Kansas City Air Defense Sector, headquartered at
 * Los Angeles Air Defense Sector (Manual) (1958-tbd), headquartered at Norton AFB
 * Minot Air Defense Sector, headquartered at
 * Oklahoma City Air Defense Sector, headquartered at
 * Phoenix Air Defense Sector, headquartered at
 * Portland Air Defense Sector, headquartered at
 * Reno Air Defense Sector, headquartered at
 * San Francisco Air Defense Sector, headquartered at
 * Sault Sainte Marie Air Defense Sector, headquartered at
 * Sioux City Air Defense Sector, headquartered at
 * St Louis Air Defense Sector, headquartered at
 * Spokane Air Defense Sector, headquartered at
 * Syracuse Air Defense Sector, headquartered at
 * Washington Air Defense Sector, headquartered at