| Acronym | Meaning |
| HARM | High-speed Anti-Radiation Missile |
| FO | Faroe Islands (ISO 3166 Digram; FIPS 10-4 Territory Code) -Force Operations (military) - Forward Observer - Frame Optional (military Symbology) |
| IAB | International Association For Biologicals |
| FME | Formal Methods Europe |
| CAS | Chemical Abstracts Service - Chief Of The Air Staff - Close Air Support |
| ACRI | African Crisis Initiative |
| BCER | British Columbia Electric Railway |
| DHA | DocosaHexaenoic Acid |
| MTQ | Martinique (ISO 3166 Trigram) |
| ISRO | Indian Space Research Organisation |