| Acronym | Meaning |
| CICU | Communication Interface Control Unit |
| FBCS | Fixed Base Crew Station (SMS) |
| FOPP | Follow On Parts Production |
| VIS | Visibility |
| CSR | Certification Status Report |
| PMS | Performance Management System |
| M | ECCA Master Electrical Common Connector Assembly |
| STE | System Test Engineer |
| ORIDE | Override |
| GS | Gas Servicer |