| Acronym | Meaning |
| OAS | Orbiter Aeroflight Simulator |
| SAALC | San Antonio Air Logistics Center |
| DCS | Design Criteria Specification |
| UDMH | Unsymmetrical Dimethylhydrazine |
| T/L | Talk And Listen |
| SRD | Shuttle Requirements Definition |
| DOI | Descent Orbit Insertion |
| PRD | Program Requirements Documents (UDS) |
| FAA | Federal Aviation Administration |
| TB | Talk Back |