| Acronym | Meaning |
| RIC | Rockwell International Corporation |
| DPM | Dual Port Memory |
| ULA | Fairbanks |
| MTBR | Mean Time Between Replacement |
| PI | Program Introduction |
| PCVB | Pyro Continuity Verification Box |
| FRCS | Forward Reaction Control System |
| SOW | Statement Of Work |
| NG | NNG Narrow Gage |
| M&RF | Maintenance And Refurbishing Facility |