| Acronym | Meaning |
| EFCS | Earth Fixed Coordinate System |
| VAR | Verification Analysis Report |
| Q | Pitch Rate (Angular Rate) |
| SCF | Safing And DeServicing Facility |
| SPA | Space Processing Application |
| CDI | Course Deviation Indicator |
| OHA | Operational Hazard Analysis |
| HV | Hydrogen Vent |
| SF | Selection Filter |
| GRTLS | Glide Return To Landing Site |