Microwave-powered Spaceplane
A new single-stage-to-orbit, reusable launch vehicle will be powered with external propulsion, delivered from a ground-based phased array of microwave antennas.
A new single-stage-to-orbit, reusable launch vehicle will be powered with external propulsion, delivered from a ground-based phased array of microwave antennas.
The Secret unmanned X-37B Air Force Space Plane, on its next fly on May 20, will try an experimental propulsion system, a Hall thruster.
Marlin electric personal Hydrofoil concept designed by Niklas Wejedal, uses Bio-Mechanic propulsion system.