| Acronym | Meaning |
| RA | Radium |
| TG | Ground Systems |
| MMAS | Material Management Accounting (Accountability) System |
| MRL | Material Requirements List |
| DMA | Direct MemorY Address |
| FCT | Flight Crew Trainer |
| PREF | Preference |
| MEWG | Maintenance Engineering Working Group |
| MCIU | Mission Control And Interface Unit |
| HAL | High Order Assembly Language |