KT ENGINEERING (KTE) IS PLEASED TO SUBMIT THIS SMALL BUSINESS INNOVATION RESEARCH (SBIR) PHASE III PROPOSAL. THIS PROPOSAL ADDRESSES A NEED FOR INNOVATIVE SOLUTIONS THAT WILL ALLOW FUTURE SPACEPORT LAUNCH SERVICE PROVIDERS TO OPERATE IN AN EFFICIENT, LOW COST MANNER. WE PROPOSE TO BUILD UPON THE SUCCESSFUL RESULTS OF OUR SBIR PHASE I EFFORT (REFERENCE CONTRACT NNX12CF02P) AND CONDUCT RESEARCH TO DEMONSTRATE FEASIBILITY OF A NOVEL LAUNCH VEHICLE PRESSURIZATION SYSTEM CONCEPT THAT WILL INCREASE PERFORMANCE AND RELIABILITY COMPARED WITH TRADITIONAL APPROACHES, REDUCE DEPENDENCE UPON HELIUM UP TO 50%, ENABLE THE USE OF LOW-COST COMMERCIAL-OFF-THE-SHELF (COTS) TECHNOLOGY, AND DEMONSTRATE AUTOMATED GROUND PROCESSING ASSOCIATED WITH PRESSURANT LOADING AND CONDITIONING. OUR INNOVATION IS BASED ON FIVE MAJOR TECHNOLOGY AND OPERATIONAL ELEMENTS INCLUDING: 1) TRIDYNE PRESSURANT, 2) DISTRIBUTED STORAGE AND CONTROL, 3) COLD GAS STORAGE / WARM GAS DELIVERY, 4) VARIABLE CASCADING RESIDUAL MANAGEMENT, AND 5) END-OF-BURN TANK PRESSURE DECAY. PUMP-FED LAUNCH VEHICLES WILL BENEFIT FROM OUR INNOVATIVE CONCEPT BUT THE MOST SIGNIFICANT BENEFITS WILL BE ACHIEVED IN COST-OPTIMIZED PRESSURE-FED SYSTEMS SUCH AS KT ENGINEERING S RADIALLY SEGMENTED LAUNCH VEHICLE (RSLV). WE PROPOSE AN 8-MONTH PHASE III PROGRAM TO DEVELOP AND PROVE KEY COMPONENTS OF THIS GROUND BREAKING APPROACH TO AFFORDABLE PRESSURE-FED PROPELLANT SYSTEMS. UNDER THE PROPOSED EFFORT WE WILL DEMONSTRATE FEASIBILITY AND MORE ACCURATELY QUANTIFY THE BENEFITS OF TRIDYNE PRESSURIZATION THROUGH DESIGN, FABRICATION, AND HIGH-FLOW, HIGH-PRESSURE TESTING OF A SINGLE BRANCH OF A REPRESENTATIVE TRIDYNE PRESSURIZATION SYSTEM INCLUDING A STORAGE BOTTLE, TUBING, CONTROL VALVE, INSTRUMENTATION, AND CATALYTIC REACTOR. THE PRODUCT OF THE EFFORT WILL BE ENGINEERING MODELS, TECHNICAL REPORTS, AND PRESENTATION MATERIALS FROM REVIEWS. WE PROPOSE A FIXED PRICE, MILESTONE BASED CONTRACT WITH AND EIGHT (8) MONTH PERIOD OF PERFORMANCE AND A TOTAL VALUE OF $99,792.