Boeing SPS SSTO American SSTO VTOVL orbital launch vehicle. In 1977 Boeing produced a vehicle design for a 227 metric tons payload vertical takeoff launch vehicle to be used to launch components for the huge Satellite Solar Power platforms that NASA was promoting at the time. The booster would launch from the edge of a water-filled man-made lagoon and recover in the lagoon and used a water-cooled heat shield for reentry. |
VTOHL 45t American SSTO winged orbital launch vehicle. Vertical Takeoff Horizontal Landing (winged). |
VTOHL 9t American SSTO winged orbital launch vehicle. Vertical Takeoff Horizontal Landing (winged). |
Star-raker American winged orbital launch vehicle. Rockwell International's Star-raker was an enormous 1979 heavy-lift ramjet/rocket horizontal takeoff/horizontal landing single-stage-to-orbit concept capable of atmospheric cruise and powered landing for maximum operational flexibility. |