| Acronym | Meaning |
 | SSRN | Nuclear-Powered Radar Picket Submarine (retired US Navy Hull Classification) |
| SUB | Student Union Building |
| CAW | Canadian Auto Workers Trade Union |
| ASFAR | Americans For A Society Free Of Age Restrictions |
| BSL | British Sign Language |
| BUNO OR BUNO | Bureau Number (aircraft Serial Number) |
| AGB | Internal Nintendo Initialism (Advanced Game Boy) For Game Boy Advance |
| RCZ | Rear Combat Zone |
| SIMLAS | Soldier Integrated Multipurpose Laser System |
| TBGRI | Tropical Botanic Garden And Research Institute (India) |
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