| Acronym | Meaning |
| TMPRY | Temporary |
| TPM2 | Terminal Phase Midcourse #2 |
| MPR | Maintainability Problem Report |
| RTCS | Real-Time Computer System |
| BCRD | Basic Consolidated Requirements Document |
| OC | Open Circuit |
| STAT | Statistics |
| FEAT | Final Engineering Acceptance Test |
| COE | Corps Of Engineer |
| CI | Course (deviation Display) Invalid |