| Acronym | Meaning |
| STDM | Statistical Time Division Multiplexing |
| SST | SuperSonic Transport -Training Submarine (US Navy Hull Classification) - Saturated Suction Temperature (refrigeration Cycles) |
| SADL | Situation Awareness Data Link (saddle) - Structural Architecture Description Language |
| LBN | Lebanon (ISO 3166 Trigram) |
| IHS | Institut Des Hautes ?tudes Scientifiques (French |
| JFACC | Joint Force Air Component Commander |
| MOL | Moldovan Language (ISO 639-2 Code) - Mole (unit) |
| BART | Bay Area Rapid Transit |
| DVO | Direct View Optics |
| AGARD | Advisory Group For Aerospace Research And Development |