American manufacturer of rockets and spacecraft. Pioneer Rocketplane, USA.
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Pathfinder American manned spaceplane. Study 2003. Pioneer Rocketplane planned in the late 1990's to produce the Pathfinder aerial propellant transfer spaceplane. More...
Pioneer XP American manned spaceplane. Study 2004. X-Prize suborbital spaceplane concept of Pioneer Rocketplane, Solvang, California. No backing forthcoming. More...
Associated Launch Vehicles
Pathfinder American air-launched winged orbital launch vehicle. Pioneer Rocketplane planned in the late 1990's to produce the Pathfinder aerial-refueled spaceplane. The two-seat fighter-bomber-sized aircraft was to be powered by two turbofan engines and one kerosene/oxygen-burning RD-120 rocket engine. After takeoff from a conventional airfield, it would rendezvous with a tanker, top off its liquid oxygen tanks, and then rocket to Mach 15 and 110 km altitude. There it would release an upper rocket stage that would boost a 2100 kg payload to orbit. Pathfinder itself would return to the airfield for refueling and reuse. More...
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