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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