| Acronym | Meaning |
 | USA | United States Of America (alsoISO 3166 Trigram) - United States Army |
| ROZ | Restricted Operations Zone |
| IMS | Information Management System - International Meat Secretariat - Ion Mobility Spectrometer |
| NEA | Near-Earth Asteroid - Nuclear Energy Agency (OECD) |
| SISO | Simulation Interoperability Standards Organization - Society Of Independent Show Organizers |
| RSPB | (UK) Royal Society For The Protection Of Birds |
| HAWK | Homing All The Way Killer (air Defence System) |
| SDP | Social Democratic Party (European Politics) |
| GOTS | Government Off The Shelf |
| NZC | New Zealand Cricket |
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