| Acronym | Meaning |
| SP-AF | Air Force STS Liaison Office (KSC Shuttle) |
| LER | Long Eye Relief (Optics) |
| OFS | Orbital (Orbiter) Flight System |
| GNC | GuGNCGuidance And Navigation COmPuter |
| ORD | Operational Readiness Date |
| TE | Trailing Edge |
| CSC | Conical Shaped Charge |
| OS | Orbiter CEI Specification |
| TB | Time Duration Of Burn |
| DIR | Direct |