| Acronym | Meaning |
| OBSS | Off Board Sensor Systems - Ordo Byantinus Sancti Sepulchri (Byzantine Order Of The Holy Sepulchre) - Orbiter Boom Sensor System (space Shuttle) - Origins Billion Star Survey |
| CBC | Canadian Broadcasting Corporation - Christmas Bird Count - Cipher-Block Chaining - Cornering Brake Control |
| LO | Slovakia (FIPS 10-4 Country Code) |
| LIVE | Liquid Inertial Vibration Eliminator |
| B2E | Business-to-employee Electronic Commerce |
| TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |
| ASDR | Attack |
| BMD | Ballistic Missile Defence -Bermudian Dollar (ISO 4217 Currency Code) -Boyevaya Mashina Desanta (Russian ?????? ?????? ??????? |
| CCRTS | Command And Control Research And Technology Symposium |
| TAT | Tatar Language (ISO 639-2 Code) |