| Acronym | Meaning |
 | LRF | Laser RangeFinder -Low Readiness Forces |
| MWC | Maritime Warfare Centre (various Nations) |
| AFSC | U.S. Air Force Staff College (obsolete; Replaced With JFSC). - U.S. Air Force Systems Command |
| IICA | Inter-American Institute For Cooperation On Agriculture |
| ARBA | Army Review Boards Agency |
| OB | Obedience - Obligation - Obligatory - Obsolete - Obstetrics -Ocean Beach (California) - Off Break (cricket) - Old Bryanstonian - Order Of Battle - Outlet Box (electrical) -Overbought (stock Market) -Oversight Board |
| GPA | Grade Point Average |
| CCC | Corpus Christi College |
| G10 | Group Of 10 (G7 + Belgium |
| AMO | Atlantic Multidecadal Oscillation |
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