| Acronym | Meaning |
 | ATAL | Alternate Transoceanic Abort Landing |
| WFPC | Wide Field/Planetary Camera |
| SAS | Space Activity Suit / Space Adaptation Syndrome |
| OPF | Orbiter Processing Facility |
| OTHB | Over The Horizon Backscatter |
| APU | Auxiliary Power Unit |
| VFT | Visual Function Tester |
| TIROS | Television InfraRed Observation Satellite |
| ORBI | Stock Ticker Symbol For OSC |
| ISZ | Iskusstvenniy Sputnik Zemli |
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