| Acronym | Meaning |
 | ETR | Eastern Test Range |
| IPMP | Investigations Into Polymer Membrane Processing |
| USMP | United States Microgravity Payload |
| TAU | Thousand Astronomical Unit |
| GSC | Guide Star Catalog |
| WINDII | Wind Imaging Interferometer |
| THIR | Temperature/Humidity Infrared Radiometer |
| LDEF | Long Duration Exposure Facility |
| WFPCII | Replacement For WFPC |
| MCC | Mission Control Center |
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