| Acronym | Meaning |
 | KTS | Knight Of The Tower And Sword (of Portugal) |
| TN | Tennessee (postal Symbol) - Teranewton - Tonga (FIPS 10-4 Country Code) - Tunisia (ISO 3166 Digram) |
| USD(P) | (U.S.) Under-Secretary Of Defense (Policy) |
| UCR | University Of Costa Rica |
| NAVCENT | Naval Forces U.S. Central Command |
| SM | Samarium |
| USAADAC | U.S. Army Air Defense Artillery Center |
| TTY | TeleTYpewriter (Printer) |
| WMI | Wildlife Management Institute |
| IRS | U.S. Internal Revenue Service |
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