| Acronym | Meaning |
 | APU | Auxiliary Power Unit |
| ASA | Astronomical Society Of The Atlantic |
| ASEM | Assembly Of Station By EVA Methods |
| WR | Western Range |
| SWLC | Salt Water Leak Check |
| IAU | International Astronomical Union |
| GDCLS | General Dynamics Commercial Launch Services |
| COBE | COsmic Background Explorer |
| RA | Right Ascension |
| PMC | Permanently Manned Capability |
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