| Acronym | Meaning |
| CAU | Command Acquisition Unit |
| MIC | Management Information Center |
| SPIF | Standard Payload Interface Facility |
| RIGI | Receiving Inspection General Instruction |
| MPVA | Main Propellant Valve Actuator |
| CVR | Change Verification Record |
| OSM | Orbital Service Module |
| LWD | Left Wing Down |
| SOW | Statement Of Work |
| MMS | Multimission Modular Spacecraft |