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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
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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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