| Acronym | Meaning |
| SH2 | Supercritical Hydrogen |
| CISS | Centaur Integrated Support Structure |
| MTVC | Manual Thrust Vector Control |
| RDP | Receiver And Data Processor |
| CUE | Common Usage Equipment |
| HAINS | High-accuracy Inertial Navigation System |
| SRS | Specification Revision Sheet |
| CP-PCO | Cargo Projects-Program Control Office |
| LVLH | Local Vertical/local Horizontal |
| SDG | Supplier Documentation Group |