| Acronym | Meaning |
 | TSS | Targeted Search System / Tethered Satellite System |
| STSDAS | Space Telescope Science Data Analysis System |
| GOES | Geostationary Orbiting Environmental Satellite |
| DAO | Dominion Astrophysical Observatory |
| PLSS | Portable Life Support System |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
| FRF | Flight Readiness Firing |
| SPDM | Special Purpose Dextrous Manipulator |
| OCTW | Optical Communications Through The Shuttle Window |
| UGC | Uppsala General Catalog |
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