| Acronym | Meaning |
| PIU | Pyrotechnic Initiator Unit |
| EIR | Environmental Impact Report |
| OVLD | Overload |
| PSD | RPlanning And Scheduling Document Record |
| TMF | Transporter Maintenance Facility |
| SSCC | Support Services Control Center |
| QCB | Queue Control Block |
| SOV | Shut-off Valve |
| JAS | Journal Of Aerospace Science |
| TSW | Test Software |