Question: The 28th Test and Evaluation Squadron of the Air Force operating out of Okaloosa County in Florida is based at which Air Force base?

full_context: Document 1: 46th Test Wing: The 46th Test Wing is an inactive wing of the United States Air Force last based at Eglin Air Force Base, Florida. The wing's 46th Test Group was a tenant unit at Holloman Air Force Base, New Mexico.
Document 2: Eglin Air Force Base: Eglin Air Force Base (AFB) (IATA: VPS, ICAO: KVPS, FAA LID: VPS) is a United States Air Force base located approximately 3 miles (5 kilometers) southwest of Valparaiso, Florida in Okaloosa County.
Document 3: Destin–Fort Walton Beach Airport: Destin–Fort Walton Beach Airport (IATA: VPS, ICAO: KVPS, FAA LID: VPS) is an airport located within Eglin Air Force Base, near Destin and Fort Walton Beach in Okaloosa County, Florida. No private aircraft are allowed, so Destin Executive Airport is used instead for non-commercial operations by general aviation and business aircraft. The airport was previously named Northwest Florida Regional Airport until February 17, 2015 and Okaloosa Regional Airport until September 2008.
Document 4: 96th Test Wing: The 96th Test Wing is a United States Air Force unit assigned to the Air Force Test Center of Air Force Materiel Command at Eglin Air Force Base, Florida. The wing was activated at Eglin in 1994 as the 96th Air Base Wing, the headquarters for all support units on Eglin, the largest installation in the Air Force. In 2012, it absorbed the mission and resources of the 46th Test Wing and added the mission of testing and evaluating weapons, navigation and guidance systems and command and control systems.
Document 5: 31st Test and Evaluation Squadron: The 31st Test and Evaluation Squadron (31 TES) is a United States Air Force unit, assigned to the 53d Test and Evaluation Group, stationed at Edwards Air Force Base, California. The 31 TES is an Air Combat Command (ACC) tenant unit at Edwards, providing personnel to support combined test and evaluation on Air Force weapons systems.
Document 6: 586th Flight Test Squadron: The 586th Flight Test Squadron (586 FLTS) is part of the 96th Test Wing based at Holloman Air Force Base, New Mexico.
Document 7: 72d Test and Evaluation Squadron: The 72d Test and Evaluation Squadron is part of the 53d Wing at Eglin Air Force Base, Florida. The squadron is geographically separated but operated from Whiteman Air Force Base, Missouri. It conducts testing and evaluation of the B-2 Spirit aircraft.
Document 8: 49th Test and Evaluation Squadron: The 49th Test and Evaluation Squadron is an active United States Air Force unit. Its current assignment is with the 53d Wing, based at Barksdale Air Force Base, Louisiana.
Document 9: 28th Test and Evaluation Squadron: The 28th Test and Evaluation Squadron is an active United States Air Force unit. Its current assignment is with the 53d Wing, based at Eglin Air Force Base, Florida.
Document 10: Pensacola International Airport: Pensacola International Airport (IATA: PNS, ICAO: KPNS, FAA LID: PNS) , formerly Pensacola Gulf Coast Regional Airport and Pensacola Regional Airport (Hagler Field), is a public use airport three nautical miles (6 km) northeast of the central business district of Pensacola, in Escambia County, Florida, United States. It is owned by the City of Pensacola. Despite the name, this airport does not offer direct international flights. This airport is one of the five major airports in North Florida, others being: Northwest Florida Beaches International Airport, Destin-Fort Walton Beach Airport Tallahassee International Airport, and Jacksonville International Airport.
Document 11: Naval Air Station Ellyson Field: Naval Air Station Ellyson Field was a former U.S. Navy training base, established in Escambia County, Florida in 1940 at the outset of World War II as an auxiliary facility to Chevalier Field at Naval Air Station Pensacola, Florida. Originally designated Base Field 01913 (Site 3), located on the west side of Escambia Bay 16 miles northeast of NAS Pensacola, construction on an expanded facility, officially named Ellyson Field in honor of CDR Theodore G. “Spuds” Ellyson, the Navy’s first aviator, began on 26 February 1941. It had three red brick hangars common to the various Navy airfields in the Pensacola area, and eight paved runways, the longest of which was 3,550 ft in length.
Document 12: Eielson Air Force Base: Eielson Air Force Base (AFB) (IATA: EIL, ICAO: PAEI, FAA LID: EIL) is a United States Air Force base located approximately 26 miles (42 km) southeast of Fairbanks, Alaska and just southeast of Moose Creek, Alaska. It was established in 1943 as Mile 26 Satellite Field and taken off deployment in 2007. It has been a Superfund site since 1989.
Document 13: Porter County Regional Airport: Porter County Regional Airport (IATA: VPZ, ICAO: KVPZ, FAA LID: VPZ) (formerly Porter County Municipal Airport) is a public use airport located one nautical mile (1.8 km) southeast of the central business district of Valparaiso, a city in Porter County, Indiana, United States. It is owned by the Porter County Municipal Airport Authority.
Document 14: K. I. Sawyer Air Force Base: K. I. Sawyer Air Force Base is a decommissioned U.S. Air Force installation in Marquette County, Michigan, south of the city of Marquette. Near the center of Michigan's Upper Peninsula, the base operated for nearly forty years and closed in 1995. The county airport, Sawyer International, now occupies a portion of the base and has scheduled airline flights and some general aviation activity. The area of the former base is now an unincorporated community and a census-designated place for statistical purposes known as K. I. Sawyer AFB
Document 15: 486th Flight Test Squadron: The 486th Flight Test Squadron is a secretive unit, with a somewhat misleading designation, assigned to Eglin Air Force Base, Florida, and which is associated with United States Department of State Foreign Emergency Support Team activities. The squadron motto is ""Non semper ea sunt quae videntur"" which translates as "Not always what they seem". It was apparently assigned to the 227th Special Operations Flight, later redesignated the 150th Special Operations Squadron, McGuire Air Force Base, New Jersey, but is currently assigned to the 46th Test Wing at Eglin, and operates a pair of Boeing C-32B or Boeing 757-23A aircraft, on stand-by alert for special operations and intelligence missions world-wide. Official documents make it clear that operations fall under the aegis of Air Force Special Operations Command.
ground_truth: Eglin Air Force Base