| Acronym | Meaning |
| IGOR | Intercept Ground OPtical Recorder |
| ESVS | Escape Suit Ventilation System |
| TTU | Timing Terminal Unit |
| TR | TechnicalReport |
| SVO | Space Vehicle Operations (KSC Dir.) |
| CVM | Control Valve Module |
| I | LAS Instrument Landing Approach System |
| GCILU | Ground Control Interface Logic Unit |
| PHF | Personal Hygiene Facility |
| RIF | Relative Importance Factor |