| Acronym | Meaning |
 | DMCA | Digital Millennium Copyright Act |
| NISAC | U.S. National Infrastructure Simulation And Analysis Center |
| NT | Iraq-Saudi Arabia Neutral Zone (ISO 3166 Digram; Obsolete 1993) - Northern Territory (Australia) (postal Symbol) - Northwest Territories (Canada) (postal Symbol) - National Trust (UK) |
| MOPP | Mission-Oriented Protective Posture |
| TAT | Tourism Authority Of Thailand |
| GAO | U.S. Government Accountability Office |
| H | Hecto |
| NG | Natural Gas - Next Generation -Niger (FIPS 10-4 Country Code) - Nigeria (ISO 3166 Digram) |
| SOT | Sotho Language (ISO 639-2 Code) |
| GOES | Geostationary Operational Environmental Satellite |
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