| Acronym | Meaning |
 | BDB | Big Dumb Booster |
| TTC | Telemetry |
| HD | Henry Draper Catalog Entry |
| TSS | Targeted Search System / Tethered Satellite System |
| EDOMP | EDO Medical Project |
| MRSR | Mars Rover And Sample Return |
| SHARE | Space Station Heat Pipe Advanced Radiator Element |
| SOHO | SOlar Heliospheric Observatory |
| COBE | COsmic Background Explorer |
| VAS | VISSR Atmospheric Sounder |
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