| Acronym | Meaning |
| EKMS | Electronic Key Management System |
| YOR | Yoruba Language (ISO 639-2 Code) |
| POMDP | Partially Observable Markov Decision Process |
| VCNO | (U.S.) Vice Chief Of Naval Operations |
| APS | American Physical Society - Antiphospholipid Antibody Syndrome |
| JSCSC | Joint Services Command And Staff College |
| O | Oberst - Observer - Obstacle - Octal - Officer - Official - Oh - Operational - Operator - Oprah (magazine) - Outstanding -Oxygen |
| EHF | Extremely High Frequency |
| TNT | TriNitroToluene |
| NEWS | Navy Electronic Warfare Simulator - North |