| Acronym | Meaning |
| RFC | Request For Comments - Royal Flying Corps (WWI Precursor To RAF) |
| UMES | University Of Maryland Eastern Shore |
| PI | P?li Language (ISO 639-1 Code) |
| HMMWV | High Mobility Multipurpose Wheeled Vehicle (hum-vee; Hummer) |
| NAAK | Mark I NAAK |
| JH | Japan Highway Public Corporation |
| FCW | Florida Championship Wrestling |
| CCITT | Comit? Consultatif International T?l?phonique Et T?l?graphique (French For International Telegraph And Telephone Consultative Committee |
| INMARSAT | International Maritime Satellite Organization |
| RIS | Range Instrumentation System |