| Acronym | Meaning |
 | ISM | InterStellar Medium |
| WFF | Wallops Flight Facility |
| COBE | COsmic Background Explorer |
| SEST | Swedish ESO Submillimeter Telescope |
| ACRV | Astronaut Crew Rescue Vehicle |
| USMC | United States Marine Corps |
| AFWTR | USAF's WTR |
| LHA | Local Hour Angle |
| MOTV | Manned Orbital Transfer Vehicle |
| SHARE | Space Station Heat Pipe Advanced Radiator Element |
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