| Acronym | Meaning |
| IWBS | Indirect Work Breakdown Structure |
| MCP | Monitoring And Control Panel |
| MARS | Martin Automatic Reporting System |
| DBGMP | DBMDecibels Referred To I Milliwatt |
| M | Mercury |
| FRE | Format Request Element |
| MDCS | Maintenance Data Collection System |
| RCSC | Reaction Control Subsystem Controller |
| FAR | Flight Acceptance Review |
| LMK | Landmark |