| Acronym | Meaning |
| ULT | Ultimate |
| SAM | SAMPShuttle Automated Mass Properties |
| SAS | Stimuli Analog Refresh Table |
| MAC | Main Display Console |
| DBGMP | DBURData Bank Update Request |
| OCDU | Optics Coupling Data Unit (G&N) |
| SW/PM | System Management/Performance Monitor |
| HMF | Horizontal Mating Facility |
| CUP | Commonality Usage ProPosal |
| SMTAS | Shuttle Model Test And Analysis System |