Rocket Engines Electric Propulsion Liquid Propulsion Rocket Propulsion Methane Engines Thruster Technology Rocket Technology Spacecraft Design Hybrid Propulsion Engine Technology High-speed Flight Air-breathing Engines Combustion Technology Fluid Dynamics Storable Propellants Jet Technology Rocket Design Hypersonic Technology Turbomachinery Methane Fuel Technology Hydrogen Storage Detonation Technology Liquid Propellants Kick Stages Reentry Technologies Reentry Vehicles Testing Hydrogen-Electric Systems Rocket Stages Technical Analysis Testing and Certification Spacecraft Operations Thrusters Technical Disagreements Cooling Technology Advanced Technologies Solid Rocket Motors Distributed Electric Propulsion Testing Procedures
Phase III SBIR funding from NASA plus a military award positions the vehicles as rapid testbeds for EDL sensors, RDRE propulsion, suborbital microgravity access.