Supersonic jet engine includes a housing and an exhaust nozzle. Spike extends outwardly from the housing. Plurality of fans are arranged in an axial direction within the housing, each of the plurality of fans includes a plurality of fan blades. Plurality of turbines are included, and each of the plurality of turbines having a plurality of turbine blades and being arranged and coupled to a respective one of the fans in a radial direction. Plurality of radial compressors are located radially from the each of the plurality of turbines and are operable to drivingly rotate the respective turbine, which in turn rotates the respective fan. Plurality of electric motors are included, and each of the plurality of electric motors are coupled to a respective one of the plurality of radial compressors and drivingly rotating the respective radial compressor.