| Acronym | Meaning |
| HDWE | Hardware |
| RSF | Refurbishment And Subassembly Facility (KSC) |
| MCIU | Manipulator Controller Interface Unit |
| EBS | Emergency Breathing Subsystem |
| RIGI | Receiving Inspection General Instruction |
| MMCA | Midbody Motor Control Assembly |
| SIMS | Shuttle Inventory Management System |
| CCATS | Command |
| QACAD | Quality Assurance Corrective Action Document |
| PGRWG | Payload Ground Requirements Working Group |