| Acronym | Meaning |
| EXFOR | Experimental Force (military) |
| DNR | Do Not Resuscitate |
| UCS | Union Of Concerned Scientists |
| IRC | International Red Cross - International Reply Coupon - Internet Relay Chat |
| JSS | Joint Support Ship |
| GULAG | Glavnoye Upravleniye Ispravitelno-trudovykh LAGerei I Kolonii (Russian ??????? ?????????? ????????????? ???????? ??????? ? ??????? |
| AFATDS | Advanced Field Artillery Tactical Data System |
| GMC | U.K. General Medical Council |
| CANDU | CANada Deuterium Uranium (nuclear Reactor Design) |
| AW | Attowatt |