The Lockheed XF-90 was built in response to a United States Air Force requirement for a long-range penetration fighter and bomber escort. The same requirement...

increased fuel consumption. Despite this, the XF-88 was chosen against the Lockheed XF-90 and North American YF-93 for the USAF's Penetration Fighter requirement...

symbol F90 Fortran 90, a computer programming language Hyperkinetic disorder (ICD-10 code) Nikon F90, a 35mm SLR camera Lockheed XF-90 F90 assault rifle...

aircraft with maximum altitude and climb performance. On 4 March 1954, the Lockheed XF-104 took to the skies for the first time, and on 26 February 1958, the...

reconnaissance. Lockheed P-38 Lightning (unofficial) Lockheed P-80 Shooting Star Lockheed XF-90 Lockheed F-104 Starfighter Lockheed U-2 Lockheed X-26 Frigate...

McDonnell XF-88 Voodoo, Lockheed XF-90 and North American YF-93. In order to be competitive with existing interceptors, these had to be jet powered. The XF-88...

Lockheed YF-12 is an American Mach 3+ capable, high-altitude interceptor prototype, developed and manufactured by American aerospace company Lockheed...

The McDonnell XF-85 Goblin is an American prototype fighter aircraft conceived during World War II by McDonnell Aircraft. It was intended to deploy from...

The North American XF-108 Rapier was a proposed long-range, high-speed interceptor aircraft designed by North American Aviation intended to defend the...

The Republic XF-12 Rainbow was an American four-engine, all-metal prototype reconnaissance aircraft designed by the Republic Aviation Company in the late...