The Republic XF-103 was an American project to develop a powerful missile-armed interceptor aircraft capable of destroying Soviet bombers while flying...

The Republic XF-84H "Thunderscreech" is an American experimental turboprop aircraft derived from the F-84F Thunderstreak. Powered by a turbine engine...

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-91 Thunderceptor (originally designated XP-91) is a mixed-propulsion prototype interceptor aircraft, developed by Republic Aviation. 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...

the project, leading to the F-102 Delta Dagger, F-106 Delta Dart, Republic XF-103 and, indirectly, the F-101B Voodoo and F-104 Starfighter. The electronics...

effort to keep the company going, Republic proposed converting a wartime-developed four-engine reconnaissance aircraft (the XF-12 Rainbow) into a transport...

Canberra: Mk 701 developed from Mk 301. Gloster P492/3: Mk 591 Republic XF-103 Republic F-105 Thunderchief: BOl.21 for possible sale to RAF. Saab 36 Saab...

F-109 that did not go past design or prototype stage: the Republic XF-103 and North American XF-108 Rapier interceptor concepts, the North American F-107...

firings in August 1961. For air-launch testing at supersonic speeds the Republic XF-103 had originally been proposed as a test platform, but this aircraft...