| Acronym | Meaning |
 | GZ | Gaza Strip (FIPS 10-4 Territory Code) -Ground Zero |
| PBCK | Problem Between Chair And Keyboard (computer Help Desk In-joke) |
| FP | French Polynesia (FIPS 10-4 Territory Code) |
| PX | Post EXchange |
| USAFSPC | U.S. Air Force Space Command |
| ORR | Oak Ridge Reservation (U.S. DOE) - Office Of Rail Regulation (UK Government) - Office Of Refugee Resettlement - (CIA) Office Of Research And Reports - Operational Readiness Rate - Operational Readiness Review |
| BBB | Better Business Bureau - Blood-Brain Barrier |
| TADSS | Training Aids |
| EPLRS | Enhanced Position Location Reporting System (ee-plarz) |
| CTSS | Compatible Time-Sharing System |
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