| Acronym | Meaning |
| EUV | Extreme UltraViolet |
| IFEA | Integrated Furnace Experiment Assembly |
| LDEF | Long Duration Exposure Facility |
| SME | Solar Mesosphere Explorer |
| AF | Air Force |
| WFPC | Wide Field/Planetary Camera |
| LAGEOS | Laser Geodynamics Satellite |
| TIG | Time Of (until) Ignition |
| STIS | Space Telescope Imaging Spectrometer |
| MMH | MonoMethyl Hydrazine |