| Acronym | Meaning |
 | ITA | Italy (ISO 3166 Trigram) |
| ARRC | ACE Rapid Reaction Corps |
| CASS | Command Activated Sonobuoy System |
| MJ | Millijoule |
| IDF | Israel Defence Forces - Intel Development Forum - International Dairy Federation |
| RUB | Russian Ruble (ISO 4217 Currency Code) |
| PVC | Permanent Virtual Circuit - PolyVinyl Chloride - Premature Ventricular Contraction - Primary Visual Cortex |
| LY | Libya (FIPS 10-4 Country Code; ISO 3166 Digram) - Lithuania (amateur Radio ITU Prefix) |
| EUCOM | (U.S.) European Command |
| IPR | In Progress Review - Intellectual Property Rights - Intelligence Production Requirement |
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