Power and propulsion system for long range zero-emissions vehicles. The nucleus of the propulsion system consists of our patented dual rotor flux switching superconductive motor operating at 25kW/kg, cryogenic system and ducted propulsor. The power system consists of our NASA licensed closed Strayton and removable battery array. Together the system is capable of a 48% thrust specific energy conversion efficiency opposed to current gas turbine propulsion at 8%. This increases the percentage of energy within the fuel converted to thrust. When used with liquid hydrogen it serves to bridge the gap between the energy density of hydrocarbon fuels and hydrogen allowing for comparable range performance with less fuel mass while generating zero-emissions thrust that is adaptable and scalable to the platform for applications in civil and defense aviation.