| Acronym | Meaning |
 | UNEP | United Nations Environment Programme |
| SSRN | Nuclear-Powered Radar Picket Submarine (retired US Navy Hull Classification) |
| PRN | Pro Re Nata (Latin |
| LT | Lithuanian Language (ISO 639-1 Code) |
| BATTERS | Bisei Asteroid Tracking Telescope For Rapid Survey |
| ER | Emergency Room -Eritrea (ISO 3166 Digram; FIPS 10-4 Country Code) |
| JRDF | Joint Rapid Deployment Forces |
| RISD | Rhode Island School Of Design (riz-dee) |
| JN | Jan Mayen Island (FIPS 10-4 Territory Code) |
| LIN | Lingala Language (ISO 639-2 Code) |
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