| Acronym | Meaning |
 | RUS | Russia (ISO 3166 Trigram) |
| SB | Sexy Bitch - Sexy Bastard - Sexy Boy |
| ATN | Dronning Maud Land (ISO 3166 Trigram; Merged With AQ In 1983) |
| USNH | United States Naval Hospital |
| MEMS | Microelectromechanical System |
| MDF | Main Distribution Frame - Medium-Density Fibreboard |
| GLC | Gas-liquid Chromatography |
| TTYL | Talk To You Later (Internet Slang) |
| IN | India (FIPS 10-4 Country Code; ISO 3166 Digram) - Indiana (postal Symbol) - Infantry |
| AOC | Air Operations Centre |
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