| Acronym | Meaning |
 | PIR | Priority Intelligence Requirement |
| BST | Binary Search Tree - Blended Sales Tax -Bovine Somatotropin -British Summer Time |
| COEIA | Combined Operational Effectiveness And Investment Appraisal (military) |
| IFR | Instrument Flight Rules |
| UY | Uruguay (ISO 3166 And FIPS 10-4 Country Code Digram) |
| TWP | Technical Working Paper |
| WCBO | World Chess Boxing Organisation |
| VCDS | (Canada) Vice-Chief Of The Defence Staff |
| NFL | National Football League - No-Fire Line |
| POLAD | Political Advice |
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