| Acronym | Meaning |
| NODEF | NATO Oceanographic Data Exchange Format |
| EU | Basque Language (ISO 639-1 Code) |
| ICSI | Intracytoplasmic Sperm Injection |
| UDT | Underwater Demolition Team |
| WFP | World Food Program |
| ACTD | Advanced Concept Technology Demonstration |
| CFO | Chief Financial Officer |
| MHL | Marshall Islands (ISO 3166 Trigram) |
| SSBN | Nuclear-Powered Ballistic Missile Submarine (US Navy Hull Classification) |
| BR | Breton Language (ISO 639-1 Code) |