The acronym SAS stands for Special Air Service in a military context. It is a special forces unit originally of the British Army, founded in 1941 by David Stirling during World War II. The SAS specializes in covert surveillance, counter-terrorism, hostage rescue, direct action, and special reconnaissance missions. It is highly trained and regarded as an elite force, known for its motto "Who Dares Wins"
. Additionally, the term SAS is also used by the Australian Army for its Special Air Service Regiment (SASR) , which is modeled after the British SAS and shares similar roles and capabilities
. In summary, SAS refers primarily to the Special Air Service , a renowned special forces unit in the British military, and similarly named elite units in other Commonwealth countries like Australia.