| Acronym | Meaning |
 | ATM | Apollo Telescope Mount (on Skylab) |
| SAGA | Solar Array Gain Augmentation |
| PEM | Payload Electronics Module |
| SCT | Schmidt-Cassegrain Telescope |
| OCGF | Organic Crystal Growth Facility |
| CR | Correlation Radiometer |
| ADFRF | Ames-Dryden Flight Research Facility |
| NSSDC | National Space Science Data Center |
| NPOE | NPO Energiya |
| HCMM | Heat Capacity Mapping Mission |
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