| Acronym | Meaning |
| MS | Millisiemens |
| SAC | Standards Activity Committee (of SISO) - U.S. Strategic Air Command (1946-1992) |
| PPO | PolyPhenylene Oxide |
| LZ | Bulgaria (amateur Radio ITU Prefix) -Landing Zone |
| LCD | Liquid Crystal Display |
| FME | Formal Methods Europe |
| TOMS | Total Ozone Mapping Spectrometer (satellite Instrument) |
| SLOC | Sea Lines Of Communication - Source Lines Of Code |
| CCP | Casualty Collection Point - Communications Checkpoint - Contingency Communications Package |
| CTE | Canton And Enderbury Islands (ISO 3166 Trigram; Obsolete 1984) |