| Acronym | Meaning |
| CMRB | Contractor Material Review Board |
| CONV | Converter |
| M/F | Maintenance Factor |
| DRF | DocumentationRequisitionForm |
| MCIU | Master Control And Interface Unit |
| SADEC | Spin Axis Declination |
| ODES | Optical Discrimination Evaluation Study |
| FESL | Failure Effects Summary List |
| LNG | Liquefied Natural Gas |
| SPAS | Shuttle Pallet Satellite (German) |