| Acronym | Meaning |
| RSRE | UK Royal Signals And Radar Establishment (1976?1991) |
| URY | Uruguay (ISO 3166 Trigram) |
| PEPFAR | President's Emergency Plan For AIDS Relief |
| SJA | Staff Judge Advocate (military Law) |
| FAA | U.S. Federal Aviation Administration - Financial Aid Administrator - Fleet Air Arm - Functional Area Analysis |
| PJ | Picojoule |
| SEDRIS | Synthetic Environment Data Representation And Interchange Specification |
| TSA | Theatre Storage Area - Time Slot Allocation - Transportation Security Administration |
| NLOS | LS -Non Line Of Sight-Launch System |
| ZUG | Z User Group |