| Acronym | Meaning |
 | ATGM | Anti-Tank Guided Missile |
| CIR | Corotating Interaction Region |
| MANPADS | MAN-Portable Air Defence System |
| CTE | Canton And Enderbury Islands (ISO 3166 Trigram; Obsolete 1984) |
| C2C | Consumer-To-Consumer Electronic Commerce - Cam-To-Cam Internet Chat |
| OECD | Organization For Economic Co-operation And Development (international) |
| SDN | Sudan (ISO 3166 Trigram) |
| BIH | Bosnia And Herzegovina (ISO 3166 Trigram) |
| ABMC | American Battle Monuments Commission |
| DNM | Defence Nuclear Material |
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