| Acronym | Meaning |
| FOLD | Federally-Owned LANDSAT Data |
| IMO | International Meteor Organization |
| IUE | International Ultraviolet Explorer |
| MOL | Manned Orbiting Laboratory |
| ASS | Antenna Support Structure |
| MMH | MonoMethyl Hydrazine |
| MPESS | Multiple Purpose Experiment Support Structure |
| EUMETSAT | European Meterological Satellite Organisation |
| ESOC | European Space Operations Centre |
| IVT | Interface Verification Test |