| Acronym | Meaning |
| LSR | Land Sea Rescue |
| ECL | Entry Closed Loop |
| NMC | National Meteorological Center |
| IGOR | Intercept Ground OPtical Recorder |
| DIP | Display Interface Processing (Processor) |
| SAL | Shuttle Avionics Laboratory |
| ESA | Engineering SuPPort Assembly |
| MPIIN | Modification Procurement Instrument Identification |
| LTG | Linear Tangent Guidance |
| CDF | Cool-Down Facility |