| Acronym | Meaning |
| MDG | Madagascar (ISO 3166 Trigram) -UN Millennium Development Goal |
| ESH | Western Sahara (ISO 3166 Trigram) |
| 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 |
| HTML | HyperText Markup Language |
| TMJ | TemporoMandibular Joint (syndrome) |
| NUWC | U.S. Naval Undersea Warfare Center |
| CRT | Cardiac Resynchronization Therapy - Cathode Ray Tube - Chinese Remainder Theorem |
| LRAS3 OR LRAS? | Long Range Advanced Scout Sensor Suite |
| VCNO | (U.S.) Vice Chief Of Naval Operations |
| CAFAD | Combined Arms For Air Defence |