| Acronym | Meaning |
| SPCU | Simulation Process Control Unit |
| SMD | Special Measuring Service |
| SUPCRIT | Supercritical |
| MTGW | Maximum Total Gross Weight |
| PMC | Plutona-Molybdenum Cermet |
| INTERFACE | CInterface Control Drawing |
| GSO | Ground Support Operations |
| CLNR | Cleaner |
| SAB | SACstrategic Air Command(USAF) |
| RAM | Responsibility Assignment Matrix |