| Acronym | Meaning |
| STARCAL | Star Calibration |
| BMFT | Bundesministerium Fuer Forschung Und Technologie |
| LSR | Local Standard Of Rest |
| OPF | Orbiter Processing Facility |
| SMEX | Small EXplorers |
| STDCE | Surface Tension Driven Convection Experment |
| LOX | Liquid OXygen |
| HRSR | High-Resolution Scanning Radiometer |
| DMSP | Defense Meteorological Satellite Program |
| MOL | Manned Orbiting Laboratory |