| Acronym | Meaning |
| CAP | Combat Air Patrol - Civil Air Patrol - Common [Operating/Operational] Air Picture - Crisis Action Procedures - Common Agricultural Policy |
| AY | Aymara Language (ISO 639-1 Code) |
| RUS | Russia (ISO 3166 Trigram) |
| HAT | Haitian Creole Language (ISO 639-2 Code) |
| EC | Ecuador (ISO 3166 Digram; FIPS 10-4 Country Code) -Electronic Combat - European Community (see EEC) -Exacoulomb |
| SIMAC | Semantic Interaction With Music Audio Contents |
| AJP | Allied Joint Publication |
| ISCII | Indian Standard Code For Information Interchange |
| QWGAOR | Quadripartite Working Group On Army Operational Research (qwig-a-o-r) |
| IFF | Identification |