| Acronym | Meaning |
| DA | Deployed Assembly |
| FMEC | Forward Master Events Controller |
| VHF/DF | Very High Frequency Direction Finder |
| MSFC | George C. Marshall SPace Flight Center |
| PE | Project Engineer |
| MWG | MMWG Maintenance Analyzer Working Group |
| O&FS | Operations And Flight Support |
| BAC | Buffer Access Card |
| HAL | Houston Aerospace Language |
| NH3 | ANH3 Ammonia |