| Acronym | Meaning |
| MILLS | Modular Integrated Utility Systems |
| M&R | Maintenance And Refurbishment |
| DI | Development Integration |
| CHAR | Character |
| SIV | Sieve |
| SMVRD | Shuttle Master Verification Requirements Document |
| SATO | Supply And Transportation Operations |
| VGOR | Vandenberg Ground Operations Requirement |
| DM | DeveloPment Motor |
| DP | Differential Pressure |