| Acronym | Meaning |
| KGB | Komitet Gosudarstvennoy Bezopasnosti (Russian Committee For State Security) (1954-1991) |
| UN | United Nations |
| CESS | Centre For Earth Science Studies (India) |
| CMJ | Christopher Martin-Jenkins (BBC Sports Commentator) |
| SIGMET | Significant Meteorological Information |
| PCMCIA | Personal Computer Memory Card International Association (People Can't Memorise Computer-Industry Acronyms) |
| PDF | Panama[nian] Defense Forces (abolished 1990) - Portable Document Format - Principal Direction Of Fire |
| ICNI | Integrated Communication |
| USAREUR | United States Army Europe |
| AFRRI | (U.S.) Armed Forces Radiobiology Research Institute |