| Acronym | Meaning |
 | PCOT | Payload Center Operations Team |
| NC | No Change |
| TWT | Trisonic Wind Tunnel (Rockwell) |
| OR | OPerational Right |
| PROG | Program |
| S/L | Shop/Laboratory |
| SSFS | Space Shuttle Functional Simulator |
| RDC | Request For Document Change |
| FRRID | Flight Readiness Review Item DescriPtion |
| BTR | Bus Transfer |
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