| Acronym | Meaning |
 | IAEA | International Atomic Energy Agency |
| NOW | National Organization For Women |
| MLK | Martin Luther King |
| PUS | United States Miscellaneous Pacific Islands (ISO 3166 Trigram; Obsolete 1986) |
| VIS | Vavoua International School - Vienna Independent Shorts - Viewable Image Size - Visual Instruction Set |
| LRAD | Long Range Acoustic Device (ell-rad) |
| NGS | Naval Gunfire Support |
| OSL | Open Source License - Optically Stimulated Luminescence - Orbiting Solar Laboratory |
| SN | Tin (Latin Stannum) |
| IJN | Imperial Japanese Navy (World War II) |
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