History of Eglin Air Force Base engine." On 31 October 1992, the first U.S. Air Force McDonnell Douglas C-17 Globemaster III to deploy to a base outside of California completed a 4.2-hour, flight to Eglin Air Force Base. The third production aircraft flew from Edwards AFB to the Florida base where it underwent pressurization and temperature control tests inside the climatic test facility. The tests were expected to last five to six months, after which it was to return to the flight test program at Edwards. On 25 March 1993, the 55th Special Operations Squadron, equipped with Sikorsky MH-60 Black Hawks, was reassigned from Eglin Main
Patrick Air Force Base with a radiochemistry laboratory, central utility plant and a 600 space parking garage located approximately a west of the original AFTAC headquarters building. US Navy Boeing E-6 Mercury aircraft, part of Operation Looking Glass, were sometimes seen at Patrick AFB during the 2010–11 time frame and were often mistaken by onlookers for the previously retired VC-137 Presidential aircraft (i.e., Air Force One), which looks similar. On 17 May 1950, the base was renamed the "Long Range Proving Ground Base" but three months later was renamed "Patrick Air Force Base", in honor of Major General Mason Patrick. On 3 May 1951,