| Acronym | Meaning |
| TJ | Tajikistan (ISO 3166 Digram) - Terajoule |
| CMOS | Canadian Meteorological And Oceanographic Society - Complementary Metal-Oxide-Semiconductor |
| COE | Cab Over Engine (see Truck) - Common Operating Environment (military) |
| DDS | Doctor Of Dental Surgery |
| MLE | Maximum Likelihood Estimation |
| BR | Breton Language (ISO 639-1 Code) |
| WL | Wehrmacht Luftwaffe (German WW2 Air Force Vehicle Licence Plate Code) |
| FSK | Federal'naya Sluzhba Kontrrazvedki (???????????? ??????? ?????????????? |
| IRC | International Red Cross - International Reply Coupon - Internet Relay Chat |
| DHL | Dalsey |