| Acronym | Meaning |
 | ATM | Apollo Telescope Mount (on Skylab) |
| WSGT | White Sands Ground Terminal |
| COBE | COsmic Background Explorer |
| CDDT | Countdown Demonstration Test |
| SMC | Small Magellanic Cloud |
| NIMS | Near Infrared Mapping Spectrometer |
| FAST | Fast Auroral SnapshoT Explorer |
| MLP | Mobile Launch Platform |
| IC | Index Catalog |
| ERS | European Remote Sensing |
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