| Acronym | Meaning |
 | UPTN | Universal Personal Telecommunications Number - Upper Peninsula Telehealth Network |
| BDFL | Benevolent Dictator For Life |
| UNAIDS | Joint United Nations Programme On HIV/AIDS |
| POR | Proposed Operational Requirement |
| FCC | U.S. Federal Communications Commission |
| ILO | International Labour Organization |
| NTSB | National Transportation Safety Board |
| AADC | Area Air Defence Commander |
| JROC | Joint Requirements Oversight Council |
| IN | India (FIPS 10-4 Country Code; ISO 3166 Digram) - Indiana (postal Symbol) - Infantry |
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