| Acronym | Meaning |
 | PU | Guinea-Bissau (FIPS 10-4 Country Code) -Polyurethane -United States Miscellaneous Pacific Islands (ISO 3166 Digram; Obsolete 1986) |
| C2IEDM OR C?IEDM | Command And Control Information Exchange Data Model |
| ILDS | Improved Landmine Detection System |
| CDR | Commander |
| CZMA | (US) Coastal Zone Management Act |
| CLEMARS | California Law Enforcement Mutual Aid Radio System |
| SADD | Students Against Drunk Driving (national School Related Group) |
| BR | Brazil (ISO 3166 Digram; FIPS 10-4 Country Code) -British Rail- Break Ranks (marching Band Term) |
| ABB | ASEA Brown Boveri (Swiss-Swedish Multinational Company) |
| TRW | Thompson Ramo Wooldridge Inc. |
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