| |
| A | |
| ACTD | Advanced Concept Technology Demonstration |
| AFSPC | Air Force Space Command |
| ASSDC | Army Space and Strategic Defense Command |
| AWACS | Airborne Warning and Control System |
| |
| B | |
| BMDO | Ballistic Missile Defense Organization |
| BOL | beginning of life |
| B/OT | boost and orbit transfer |
| |
| C | |
| C3I | command, control, and communications |
| COTS | commercial off the shelf |
| CRDA | cooperative research and development agreement |
| |
| D | |
| dB | decibel |
| DOE | Department of Energy |
| DTO | Defense Technology Objective |
| |
| E | |
| EELV | evolved expendable launch vehicle |
| ELV | expendable launch vehicle |
| EOS | end of service; Earth Observation System |
| |
| G | |
| GaAs | gallium arsenide |
| GEO | geosynchronous Earth orbit |
| GN&C | guidance, navigation, and control |
| GPS | Global Positioning System |
| |
| H | |
| HLV | heavy launch vehicle |
| |
| I | |
| IFOG | interferometric fiber optic guided |
| IHPRPT | Integrated High-Payoff Rocket Propulsion Technology |
| IMU | integrated measurement unit |
| IPT | integrated product team |
| IR&D | independent research and development |
| Isp | theoretical-specific impulse |
| ISTD | Integrated Space Technology Demonstration |
| |
| J | |
| JSTARS | Joint Surveillance Target Attack Radar System |
| JWCO | Joint Warfighting Capability Objective |
| JWSTP | Joint Warfighting Science and Technology Plan |
| |
| K | |
| K | kelvin |
| kg | kilogram |
| |
| L | |
| LEO | low Earth orbit |
| LV | launch vehicle |
| |
| M | |
| MAP | mission area plan |
| MEMS | microelectromechanical systems |
| MILSATCOM | military satellite communications architecture |
| MILSTAR | military strategic, tactical, and relay (satellite) |
| MMIC | monolithic microwave integrated circuits |
| MPTB | Microelectronics and Photonics Test Bed |
| MSP | military space plane |
| MTBF | mean time between failure |
| |
| N | |
| NaS | sodium sulfur |
| NASA | National Aeronautics and Space Administration |
| NAVSPACECOM | Naval Space Command |
| NDE | nondestructive evaluation |
| NEMO | Navy Earth-Map Observer |
| NPOESS | National Polar-Orbiting Environmental Satellite System |
| Nrms | Newton root mean square |
| |
| O | |
| O&M | operations and maintenance |
| ORASIS | Orbital Read-Time Adaptive Spectral Identification System |
| OTV | orbit transfer vehicle |
| |
| P | |
| PHEMT | pseudomorphic high-electron mobility transistor |
| PMAD | power management and distribution |
| PMD | program management directive |
| |
| R | |
| R&D | research and development |
| RF | radio frequency |
| RLG | ring laser gyroscope |
| RLV | reusable launch vehicle |
| |
| S | |
| S&T | science and technology |
| SBIRS | Space-Based Infrared System |
| S/C | spacecraft |
| SERB | Space Experiments Review Board |
| SMC | Space and Missile Systems Command |
| SMTS | Space and Missile Tracking System |
| SPO | system program office |
| SRMU | solid-rocket motor upgrade |
| SSTO | single-stage-to-orbit |
| STP | Space Test Program |
| |
| T | |
| TT&C | telemetry, tracking, and control |
| TVC | thrust vector control |
| |
| U | |
| USSPACECOM | U.S. Space Command |
| US/OTV | upper stage/orbital transfer vehicle |
| UV | ultraviolet |
| |
| W | |
| W | watt |
| WF-1 | Warfighter-1 |
| Wh | watthour |
