| Acronym | Meaning |
| SBD | Schematic Block Diagram |
| WUCF | Work Unit Code File |
| CRG | Correspondence Review Group |
| SAB | Storage And Assembly Building |
| GRN | Green |
| TP&C | Thermal Protection And Control |
| GPS | Ground Power Supply |
| SDH | Software Development Handbook |
| PIRN | Preliminary Interface Revision Notice |
| PPEP | Plasma Physics And Environmental Perturbation |