| Acronym | Meaning |
| LM | Interface Module |
| SMEAR | Span/Mission Evaluation Action Request |
| GUID | Guidance |
| P/P | Printer/Plotter |
| CRG | Correspondence Review Group |
| TL | Transient Load |
| V&DA | Video And Data Acquisition |
| PCIL | Pilot-Controlled Instrument Landing |
| NC1 | Nominal Correction 1 (Phasing Maneuver) |
| MSS | Mechanical Support Systems |