| Acronym | Meaning |
| CPCR | Computer Program Change Request |
| IPS | IRInclination Of The Ascending Return |
| P | Primary |
| VFT | Verification Flight Test |
| FOIH | Flight Operations Integration Handbook |
| GITG | Ground Interface Technical Group |
| GTM | Ground Test Motor |
| IP | Inertial Processing |
| O/B | Operational Base |
| MTTFF | Mean Time To First Failure |