| Acronym | Meaning |
| T- | Time Prior To Launch |
| UNIV | Universal |
| DPP | Data Requirements And AnalYsis |
| ATC | Absolute Time Command |
| SSO | Safety Signification Operation |
| HPPF | Horizontal Payloads Processing Facility |
| EECOM | Systems (MPSR) |
| REINF | Reinforce |
| FMS | Food Management System (Subsystem) |
| EHC | Electrical Heating Control |