| Acronym | Meaning |
| ESA | European Space Agency |
| CWEU | Caution And Warning Electronics Unit |
| ISO | International Standardization Organizations |
| MF | Mate And Ferry |
| PAR | Product Acceptance Review |
| PGRWG | Payload Ground Requirements Working Group |
| OSF | Office Of Space Flight (now OSTS) |
| SCIU | Spacecraft Interface Unit |
| KSCAP | Kennedy Space Center Area Permit |
| RTCE | Rotation/Translation Control Electronics |