| Acronym | Meaning |
 | NEX | Navy EXchange |
| GEV | Gigaelectron-volt |
| CIVPOP | Civilian Population |
| MIRA | MILAN Infra-Red Acquisition (thermal Sight) |
| O | Oberst - Observer - Obstacle - Octal - Officer - Official - Oh - Operational - Operator - Oprah (magazine) - Outstanding -Oxygen |
| I.E. | Id Est (Latin |
| SIS | Silicon Integrated Systems |
| SASOL | Suid Afrikaanse Steenkool En Olie (Afrikaans |
| NAWC | U.S. Naval Air Warfare Center |
| PAHO | Pan American Health Organization |
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