April 27, 1995
1995: AFSPACECOM declares its GPS satellites fully operational.
April 26, 1966: F-4C crew Major Paul Gilmore and 1Lt William Smith, shoots down a MiG-21 over N. Vietnam, 1st to be destroyed in combat. Shown here with their McDonnell F-4C Phantom II, (vnmilitaryhistory.net)
1942: Gen Henry H. Arnold establishes a new numbered Air Force, which later becomes Eighth Air Force. The Eighth sustains over 26,000 deaths in World War II, greater than the US Marines.
1929: THE QUESTION MARK. Through 7 January, to test in-flight refueling and crew and aircraft endurance, Maj Carl A. Spaatz and crew fly the Question Mark, a modified Fokker C2-3 with a Wright 220
1991: BATTLE OF KHAFJI. Iraqi forces cross the Kuwaiti border into Saudi Arabia. The USAF suffers its greatest loss of the war when the Iraqis shoot down the AC-130H Spectre gunship “Spirit 03,” killing