| Acronym | Meaning |
| CMOS | Canadian Meteorological And Oceanographic Society - Complementary Metal-Oxide-Semiconductor |
| ACR | Advanced Concepts And Requirements |
| PDF | Panama[nian] Defense Forces (abolished 1990) - Portable Document Format - Principal Direction Of Fire |
| SLV | El Salvador (ISO 3166 Trigram) |
| BHS | The Bahamas (ISO 3166 Trigram) |
| OMR | Omani Rial (ISO 4217 Currency Code) |
| IZ | Iraq (FIPS 10-4 Country Code) |
| GS | Gigasecond |
| RFL | Restrictive Fire Line (military) |
| JANUS | Joint Academic Network Using Satellites (UK) - Joint Army Navy Uniform Simulation -Joint Army-Navy Staff - Just ANother Useless Simulation (Note: The U.S. Army Janus Simulation Is Not An Acronym) |