| Acronym | Meaning |
 | ZN | Zettanewton |
| BICS | Battlefield Information And Communication System |
| TIMS | Tactical Internet Management System - The Institute Of Management Sciences - The International Molinological Society - Thermal Infrared Multispectral Scanner - Thermal Ionization Mass Spectrometry - Travel Information Management Services - Tuberculosis In |
| IGY | International Geophysical Year |
| NAVSPACECOM | U.S. Navy Space Command |
| FASD | Fetal Alcohol Spectrum Disorder |
| COTS | Commercial Off The Shelf |
| IONA | Islands Of The North Atlantic (alternate Name For Great Britain |
| VCJD | Variant Creutzfeldt-Jakob Disease |
| SUN | Soviet Union (ISO 3166 Trigram; Obsolete 1992) |
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