| Acronym | Meaning |
| RMC | Redundancy Management Control |
| ESTA | Escape System Test Article |
| IFOT | In-Flight Operations And Training |
| LOM | Input/Output Module |
| RED | Reduction |
| LB | Launch Bus |
| CAM | Computer Annunciation Matrix |
| LDEC | Lunar Docking Events Controller |
| F/A | Fuel-Air |
| G | Units Of Gravitational Force |