| Acronym | Meaning |
| SCT | Schmidt-Cassegrain Telescope |
| TIG | Time Of (until) Ignition |
| FOC | Faint Object Camera |
| BIMA | Berkeley Illinois Maryland Array |
| CXBR | Cosmic X-ray Background Radiation |
| HIRIS | High Resolution Imaging Spectrometer |
| VICAR | Graphics Format Used By JPL |
| LEM | Lunar Excursion Module |
| VISSR | Visible/Infrared Spin-Scan Radiometer |
| DOE | Department Of The Environment |