| Acronym | Meaning |
| AFROTC | Air Force Reserve Office Training Corps |
| IA | Interlingua Language (ISO 639-1 Code) |
| LMS | London Mathematical Society - London |
| RTL | See Entry |
| VT | Vatican City-State (FIPS 10-4 Country Code) - Vermont (postal Symbol) -Video Tape |
| NUWC | U.S. Naval Undersea Warfare Center |
| IBO | Igbo Language (ISO 639-2 Code) |
| NIB | New In Box (Internet Auction/trading Listings) |
| USDI | United States Department Of The Interior |
| GLG | Galician Language (ISO 639-2 Code) |