I

AIV Assembly, Integration, Verification AOA Angle of Attack CAD Computer Aided Design CFD Computational Fluid Dynamics GLOW Gross Lift-Off Mass GNC Guidance Navigation and Control IR Infra-Red LEO Low Earth Orbit LFBB Liquid Fly-Back Booster LH2 Liquid Hydrogen LOX Liquid Oxygen MECO Main Engine Cut Off RCS Reaction Control System RLV Reusable Launch Vehicle RP-1 Rocket Propellant (Kerosene) SSO Sun Synchronous Orbit Ti Titanium TPS Thermal Protection System TRL Technology Readiness Level TSTO Two-Stage-To-Orbit VO Virgin Orbit