| Acronym | Meaning |
| DCIM/DSCIM | Display SYstem Computer Input Multiplexer |
| OPP | OPPosite |
| MPSR | Multipurpose Support Room |
| CWLM | Caution And Warning Limit Module |
| OMBUU | Orbiter Midbody Umbilical Unit |
| MDM | Medical Monitor |
| ICDR | Incremental Critical Design Review |
| CCE | Computer Command Engineer |
| FA | Final Approach |
| GIM | Generalized Information Management |