| Acronym | Meaning |
| OVCO | Operational Voice Communication Office |
| MFC | Multiple Flight Computer |
| FBS | Firefighters Breathing System |
| SADEC | SAEsociety Of Automotive Engineers |
| EMN | Engineering Management Network |
| INTCHG | Interchange |
| STSOPO | Shuttle Transportation Systems Operations Program |
| R | IMPMinimum Range To Avoid Plum Impingement |
| PREVLV | Prevalve |
| O&M | Operation And Maintenance |