| Acronym | Meaning |
| BGS | Bristol Grammar School - British Geographical Survey |
| RGBI | Red Green Blue Intensity (ditto) |
| CCII | Command And Control Information Infrastructure |
| FLTSATCOM | Fleet Satellite Communication System |
| SAC | Standards Activity Committee (of SISO) - U.S. Strategic Air Command (1946-1992) |
| BTIS | Battlefield Target Identification System |
| MF | Mayotte (FIPS 10-4 Territory Code) - Megafarad |
| ZHO | Chinese Language (ISO 639-2 Code) |
| MAA | Mathematical Association Of America |
| AS | Adult Swim -Assamese Language (ISO 639-1 Code) - Attosecond |