| Acronym | Meaning |
 | NAS | National Academy Of Sciences - National Air Space - National Audubon Society - Naval Air Station - New Attack Submarine |
| NH | New Hampshire (postal Symbol) - New Hebrides (ISO 3166 Digram; Obsolete 1980) - Vanuatu (FIPS 10-4 Country Code; From New Hebrides) |
| HZ | Hertz |
| IRQ | Iraq (ISO 3166 Trigram) |
| CM | Cameroun (FIPS 10-4 Country Code; ISO 3166 Digram) -Cruise Missile -Nine Hundred (in Roman Numerals) |
| GS | R -General Support-Reinforcing |
| BEN | Bengali Language (ISO 639-2 Code) |
| IPO | Initial Public Offering |
| SACEUR | Supreme Allied Commander EURope |
| SST | SuperSonic Transport -Training Submarine (US Navy Hull Classification) - Saturated Suction Temperature (refrigeration Cycles) |
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