The 4731st Air Defense Group is a discontinued United States Air Force organization.
 Its last assignment was with the 64th Air Division of Air Defense Command (ADC) at Ernest Harmon Air Force Base, Newfoundland, Canada, where it was inactivated in 1960.
 The group was formed in 1957 when ADC assumed responsibility for air defense of Newfoundland from Northeast Air Command and controlled a fighter-interceptor squadron at Harmon and two squadron operating radars at dispersed locations.
 It was discontinued when Goose Air Defense Sector assumed responsibility for air defense of Newfoundland.
Ground Equipment Facility J-31 (San Pedro Hill Air Force Station during the Cold War) is a Joint Surveillance System radar site of the Western Air Defense Sector (WADS) and the Federal Aviation Administration's air traffic control radar network  for the Los Angeles Air Route Traffic Control Center.
 The facility's Air Route Surveillance Radar Model 1E with an ATCBI-6 beacon interrogator system are operated by the FAA and provide sector data to North American Aerospace Defense Command.
 The site provided Semi-Automatic Ground Environment data to the 1959-66 Norton AFB Direction Center for the USAF Los Angeles Air Defense Sector.
 The site also provided Project Nike data to the 1960-74 Fort MacArthur Direction Center ~3 mi away for the smaller US Army Los Angeles Defense Area—as well as gap-filler radar coverage for the 1963-74 Integrated Fire Control area of Malibu Nike battery LA-78 on San Vicente Mountain.
Tyndall Air Force Base is a United States Air Force Base located 12 mi east of Panama City, Florida.
 The base was named in honor of World War I pilot 1st Lt Frank Benjamin Tyndall.
 The base operating unit and host wing is the 325th Fighter Wing (325 FW) of the Air Combat Command (ACC).
 The base is delineated as a census-designated place and had a resident population of 2,994 at the 2010 census.
The Eastern Air Defense Sector (EADS) is a United States Air Force Air Combat Command (ACC) unit permanently assigned to the North American Aerospace Defense Command.
 A joint, bi-national military organization, EADS is composed of U.S. and Canadian military forces, federal civilians and contractors.
 Located at the Griffiss Business and Technology Park in Rome, New York.
 EADS is a subordinate command of the Continental U.S. NORAD Region-1st Air Force, headquartered at Tyndall Air Force Base in Florida.
The Phoenix Air Defense Sector (PhADS) is an inactive United States Air Force organization.
 Its last assignment was with the Air Defense Command 28th Air Division, being stationed at Luke Air Force Base, Arizona.
 It was inactivated on 1 April 1966
The Spokane Air Defense Sector (SPADS) is an inactive United States Air Force organization.
 Its last assignment was with the Air Defense Command 25th Air Division (25th AD) at Larson Air Force Base, Washington.
The Southeast Air Defense Sector (SEADS), was a unit of the US Air Force located at Tyndall Air Force Base near Panama City, Florida.
 It provided air defense and surveillance of the southeastern region of the US.
 SEADS closed in winter 2006, giving up surveillance and control of their airspace to the Eastern Air Defense Sector (EADS) and the former Northeast Air Defense Sector (NEADS).
The 482d Fighter-Interceptor Squadron is an inactive United States Air Force unit.
 Its last assignment was with Montgomery Air Defense Sector at Homestead Air Force Base, Florida in 1969.
 During World War II the squadron was a replacement training unit until disbanded in 1944 when the Army Air Forces converted training units to Army Air Force Base Units.
 It was reconstituted in 1955 and served as a fighter interceptor squadron until 1969.
The Kansas City Air Defense Sector (KCADS) is an inactive United States Air Force organization.
 Its last assignment was with the Air Defense Command 29th Air Division, being stationed at Richards-Gebaur Air Force Base, Missouri.
 It was inactivated on 1 January 1962.
The 4732nd Air Defense Group is a discontinued United States Air Force organization.
 Its last assignment was with the 64th Air Division of Air Defense Command at Goose Air Force Base, Newfoundland, Canada, where it was discontinued in 1960.
 The group was formed in 1957 when ADC assumed responsibility for air defense of Newfoundland and Northern Canada from Northeast Air Command and controlled a fighter-interceptor squadron at Harmon and seven squadrons operating radars at dispersed locations.
 It was discontinued when Goose Air Defense Sector assumed responsibility for air defense of Newfoundland and Northern Canada.

Question: Which air force base is the headquarters for the Eastern Air Defense Sector and located 12 mi east of Panama City, Florida?
Answer: Tyndall Air Force Base