| Acronym | Meaning |
| FBCB2 OR FBCB? | Force XXI Battle Command |
| DA | Danish Language (ISO 639-1 Code) - Deca |
| TSEC | Transmission Security Encryption Code |
| IFF | Identification |
| MMEV | Multi-Mission Effects Vehicle |
| BDT | Bangladeshi Taka (ISO 4217 Currency Code) -Bureau De D?veloppement Des T?l?communications (Telecommunication Development Bureau |
| AAR | After-Action Review - Association Of American Railroads |
| SSN | Nuclear-Powered Attack Submarine (US Navy Hull Classification) -SIM Serial Number - Social Security Number - Socialist Solidarity Network - Subsystem Number (SCCP |
| XHO | Xhosa Language (ISO 639-2 Code) |
| HRV | Croatia (ISO 3166 Trigram) -High Resolution Visible |