| Acronym | Meaning |
| MDL | Master Data Library |
| MDS | Master Development Schedule |
| VMS | Velocity Measuring System |
| FSRS | Flight System Recording System |
| MDR | Monthly Director's Review |
| IPL | Initial Program Load |
| IE | Industrial Engineering |
| SE&I | SYstems Engineering And Integration |
| EMPGS | Electrical/Mechanical Power Generation SubsYstem |
| SFCS | Survival Flight Control System |