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C Acronyms AC alternating current AFRL Air Force Research Laboratory ALM autonomous logistics management ANT adaptive network topology AR&D autonomous rendezvous and docking ASRAT Astrophysics Sounding Rocket Assessment Team ASRG Advanced Stirling Radioisotope Generator ATA Allen Telescope Array CCD charge-coupled device CG center of gravity CMOS complementary metal oxide semiconductor CNT carbon nanotube CPS cyber-physical system CTE coefficient of thermal expansion DC direct current DDM direct digital manufacturing DOD Department of Defense DOE Department of Energy DOF degrees of freedom D&T distribution and transmission E3 environment, economy, and energy ECLSS environmental control and life support system EDL entry, descent, and landing EELV Evolved Expendable Launch Vehicle EP electric propulsion ETDP Exploration Technology Development Program EVA extravehicular activity 100
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101 APPENDIX C FAST Fast Access Testbed Spacecraft FDIR fault detection, isolation, and recovery GCR galactic cosmic radiation GEO geosynchronous Earth orbit GN&C guidance, navigation, and control GPU graphical processor units GRM generic reference mission H2 hydrogen HDWL hybrid Doppler wind lidar HEFT Human Exploration Framework Team IBIS Integrated Blanket/Interconnect System ICMSE integrated computational materials science and engineering IHPRPT Integrated High Payoff Rocket Propulsion Technology IMM inverted metamorphic IMU inertial measurement unit IR infrared ISHM integrated systems health management Isp specific impulse ISRU in situ resource utilization ISS International Space Station ITAR International Traffic in Arms Regulations JAXA Japan Aerospace Exploration Agency JIMO Jupiter Icy Moons Orbiter kW kilowatt LEO low Earth orbit LH2 liquid hydrogen LILT low-intensity/low-temperature LOX liquid oxygen LTD low-temperature detector M mach number M&S modeling and simulation MCP microchannel plate MEMS micro-electro-mechanical system MEO mid-Earth orbit MLI multi-layer insulation MMOD micrometeoroid and orbital debris NACA National Advisory Committee for Aeronautics NASA National Aeronautics and Space Administration NDE non-destructive evaluation NEA near-Earth asteroid NEO near-Earth object NERVA Nuclear Engine for Rocket Vehicle Application
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102 NASA SPACE TECHNOLOGY ROADMAPS AND PRIORITIES NIAC NASA Innovative Advanced Concepts (program); NASA Institute for Advanced Concepts NIST National Institute of Standards and Technology NNI National Nanotechnology Initiative NRC National Research Council NSF National Science Foundation NTR nuclear thermal rocket OANM onboard autonomous navigation and maneuvering OCT Office of the Chief Technologist OSR Orbital Sounding Rocket PLSS personal life support system PNT position, navigation, and timing PV photovoltaic QE quantum efficiency QFD quality function deployment R&D research and development RBCC rocket-based combined cycle RDSP robotic drilling and sampling processing RF radio frequency RFID radio frequency identification RLCAS routine low cost access to space ROIC readout integrated circuit RP rocket propellant (hydrocarbon-based) RPS radioisotope power system(s) RTG radioisotope thermoelectric generator SDR software defined radio SEE single event effects SEP solar electric propulsion SPE solar particle event SWAP size, weight, and power SWNT single wall nanotube TA technology area TA01 Launch Propulsion Systems Technology Area TA02 In-Space Propulsion Technologies Technology Area TA03 Space Power and Energy Storage Technology Area TA04 Robotics, TeleRobotics, and Autonomous Systems Technology Area TA05 Communication and Navigation Technology Area TA06 Human Health, Life Support, and Habitation Systems Technology Area TA07 Human Exploration Destination Systems Technology Area TA08 Science Instruments, Observatories, and Sensor Systems Technology Area TA09 Entry, Descent, and Landing Systems Technology Area TA10 Nanotechnology Technology Area TA11 Modeling, Simulation, and Information Technology and Processing Technology Area TA12 Materials, Structures, Mechanical Systems, and Manufacturing Technology Area
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103 APPENDIX C TA13 Ground and Launch Systems Processing Technology Area TA14 Thermal Management Systems Technology Area TABS technology area breakdown structure TBCC turbine-based combined cycle TDRSS Tracking and Data Relay Satellite System TPS thermal protection system(s) TRL technology readiness level USAF U.S. Air Force UV ultraviolet V&V verification and validation VASIMR Variable Specific Impulse Magnetoplasma Rocket VDFL virtual digital flight leader VSM vehicle systems management ZBO zero boil-off
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