| Acronym | Meaning |
 | BRB | Barbados (ISO 3166 Trigram) -Be Right Back (Internet Chat Abbreviation) |
| LK | Sri Lanka (ISO 3166 Digram) |
| DH | Dear Husband (increasingly Prevalent On Social Mailing Lists |
| AWP | Awaiting Parts (SM&R Code) |
| MCTIS | Mounted Co-operative Target Identification System |
| YF | Yoctofarad |
| MEA | Maine Educational Assessment - Middle East Airlines - Millennium Ecosystem Assessment - Minimum Enroute Altitude - Mono-ethanol Amine - Multilateral Environmental Agreement |
| BJT | Bipolar Junction Transistor |
| NOM | Novus Ordo Missae Or New Ordinary Of The Mass (sometimes Abbreviated To Simply NO) |
| UR | Soviet Union (NATO Country Code |
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