| Acronym | Meaning |
| SP-SMO | Site Management Office (KSC Shuttle) |
| GCILU | Ground Control Interface Logic Unit |
| FEID | Functional Engineering Interface Device |
| REO | Request |
| DC | Design Change Authorization |
| PL | Prelaunch |
| STBD | Starboard |
| LV | Lift Vector |
| VOT | VHF Omni Test |
| SMVP | Shuttle Master Verification Plan |