Critical Technology Determination for Future Human Space Flight

Abstract 1 1.0 Introduction 1 2.0 Architectural Elements and Destinations 2 3.0 Technology Selection Method 3 4.0 Technologies 4 5.0 Discussion 8 6.0 Summary 9 Appendix A.—Acronyms 11 Appendix B.—Technology Description Format 13 Appendix C.—Technology Descriptions 15 C.1 TA 01—Launch Propulsion 15 C.1.1 Oxygen-Rich Staged Combustion (ORSC) Engine Technology 15 C.1.2 Advanced, Low Cost Engine Technology for SLS 15 C.2 TA 02—In-Space Propulsion 15 C.2.1 LO