Air Defense Sector may refer to:
Regional air defense sectors Eastern Air Defense Sector (1956—1966, 1987—), headquartered at Griffiss Business and Technology Park, the former Griffiss Air Force Base, in Rome, New York Southwest Air Defense Sector (1987–1994), an inactive United States Air Force organization, last headquartered at March Air Force Base, California Southeast Air Defense Sector (1987–2006), a unit of the US Air Force, last headquartered at Tyndall Air Force Base near Panama City, Florida Western Air Defense Sector (1958–), a unit of the Washington Air National Guard, headquartered at Joint Base Lewis-McChord, Tacoma, Washington
Air defense sectors named for metropolitan areas Canada Goose Air Defense Sector (1963-1966), last headquartered at Goose Air Force Base, Labrador, Canada
United States (by state) Phoenix Air Defense Sector (1960-1966), last headquartered at Luke Air Force Base, Arizona San Francisco Air Defense Sector (1959–1963), last headquartered at Beale Air Force Base, California Denver Air Defense Sector (1959), a SAGE sector in the Rocky Mountain division, Colorado Sioux City Air Defense Sector (1961–1966), last headquartered at Sioux City Air Force Station, Iowa Bangor Air Defense Sector (1958–1966), last headquartered at Topsham Air Force Station, Maine Albuquerque Air Defense Sector (1950, 1960), last headquartered at Kirtland Air Force Base, New Mexico Detroit Air Defense Sector (1957–1966), last headquartered at Custer Air Force Station, Michigan Sault Sainte Marie Air Defense Sector (1958–1966), last headquartered at K.I. Sawyer Air Force Base, Michigan Duluth Air Defense Sector (1959–1966), last headquartered at Duluth Airport, Minnesota Kansas City Air Defense Sector (1961–1962), last headquartered at Richards-Gebaur Air Force Base, Missouri Great Falls Air Defense Sector (1959-1966), last headquartered at Malmstrom Air Force Base, Montana Reno Air Defense Sector (1959–1966), last headquartered at Stead Air Force Base, Nevada Boston Air Defense Sector (1956-1966), last headquartered at Hancock Field, New York Syracuse Air Defense Sector (1956–1963), last headquartered at Hancock Field, New York Grand Forks Air Defense Sector (1957-1963), last headquartered at Grand Forks Air Force Base, North Dakota Minot Air Defense Sector (1959-1963), last headquartered at Minot Air Force Base, North Dakota Oklahoma City Air Defense Sector (1960–1966), last headquartered at Oklahoma City Air Force Station, Oklahoma Portland Air Defense Sector (1948-1966), last headquartered at Adair Air Force Station, Oregon Washington Air Defense Sector (1956–1966), headquartered at Fort Lee Air Force Station, Virginia Spokane Air Defense Sector (1958–1963), last headquartered at Larson Air Force Base, Washington Chicago Air Defense Sector (1957–1966), last headquartered at Truax Field, Wisconsin
See also Air Defense Command