| Acronym | Meaning |
 | NHS | National Health Service (UK) |
| BJP | Bharatiya Janata Party (Indian People's Party) |
| BIH | Bosnia And Herzegovina (ISO 3166 Trigram) |
| VFW | Veterans Of Foreign Wars |
| VOIP | Voice Over Internet Protocol |
| O | Oberst - Observer - Obstacle - Octal - Officer - Official - Oh - Operational - Operator - Oprah (magazine) - Outstanding -Oxygen |
| MRS | Magnetic Resonance Spectroscopy |
| FIBUA | Fighting In Built-Up Areas |
| KO | Korean Language (ISO 639-1 Code) |
| NTZ | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Trigram; Obsolete 1993) |
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