| Acronym | Meaning |
 | MWI | Malawi (ISO 3166 Trigram) |
| MANPRINT | MANpower And PeRsonnel INTegration |
| HOPI | Hybrid Optical And Packet Infrastructure (see Internet2 |
| TOP | Tongan Pa'anga (ISO 4217 Currency Code) |
| IC | Ice Crystals (METAR Code) - Iceland (FIPS 10-4 Country Code) -Integrated Circuit |
| HU | Hungary (ISO 3166 Digram; FIPS 10-4 Country Code) |
| TJK | Tajikistan (ISO 3166 Trigram) |
| RFE | Request For Enhancement |
| AKDT | Alaska Standard Daylight Saving Time (UTC-8 Hours) |
| ACN | Airborne Communications Node - Australian Company Number (number Issued By The Australian Government As Registration Of A Limited Liability Company) |
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