| Acronym | Meaning |
| COPUS | U.K. Committee On The Public Understanding Of Science |
| RFC | Request For Comments - Royal Flying Corps (WWI Precursor To RAF) |
| VCJCS | Vice Chairman |
| FS | Fire Support (military) -French Southern And Antarctic Territories (FIPS 10-4 Territory Code) |
| C3I OR C?I | Command |
| CTC | Closed Timelike Curve (relativity) - (U.S.) Combat Training Center |
| BR | Breton Language (ISO 639-1 Code) |
| ISCCP | International Satellite Cloud Climatology Project |
| ECTHR | European Court Of Human Rights |
| ECSC | European Coal And Steel Community (distant Ancestor Of The EU) |