| Acronym | Meaning |
 | SSGN | Nuclear-Powered Guided Missile Submarine (US Navy Hull Classification) |
| RIAA | Recording Industry Association Of America |
| KARNAC | Knowledge Aided Retrieval In Activity Context |
| DEA | Drug Enforcement Agency |
| LLTR | Low-Level Transit Route |
| MHWS | Mean High Water Springs (nautical Charts) |
| ZM | Zeptometre |
| AAPC | Accounting And Auditing Policy Committee |
| JOR | Jordan (ISO 3166 Trigram) |
| NIPR | National Institute Of Polar Research (Japan) |
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