| Acronym | Meaning |
 | O&R | Overhaul And Repair |
| PET | Phase Elapsed Time |
| OAA | Orbiter Alternate Airfield |
| PO | Personnel Office (KSC Directorate) |
| REG | Register |
| P&SM | Procurement And Subcontract Management |
| PASS | Primary Avionics Software System |
| SATAF | Shuttle Activation Task Force |
| CPMP | Crew Procedures Management Plan |
| OSTS | Office Of Space Transportation Systems |
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