The Special Air Service Regiment, officially abbreviated SASR but commonly known as the SAS, is a special forces

Special forces

Special forces, or special operations forces are terms used to describe elite military tactical teams trained to perform high-risk dangerous missions that conventional units cannot perform...

 unit of the Australian Army

Australian Army

The Australian Army is Australia's military land force. It is part of the Australian Defence Force along with the Royal Australian Navy and the Royal Australian Air Force. While the Chief of Defence commands the Australian Defence Force , the Army is commanded by the Chief of Army...

. While it is modelled on the British SAS

Special Air Service

Special Air Service or SAS is a corps of the British Army constituted on 31 May 1950. They are part of the United Kingdom Special Forces and have served as a model for the special forces of many other countries all over the world...

, with which it shares the motto "Who Dares Wins

Who Dares Wins

Who Dares, Wins, Latin: "Qui audet adipiscitur" is a motto that originated with the British Special Air Service. It is normally credited to the founder of the SAS, David Stirling. The motto has been used by nine elite special forces units around the world that in some way have historical ties to...

", the regiment also draws on the experience of World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 Australian special reconnaissance

Services Reconnaissance Department

The Services Reconnaissance Department , also known as Inter-Allied Services Department , Special Operations Australia and Section A, Allied Intelligence Bureau was an Australian military intelligence and special reconnaissance unit, during World War II.Authorised by General Thomas Blamey in March...

 and commando

Australian commandos

The name commando has been applied to a variety of Australian special forces and light infantry units that have been formed since 1941–42. The first Australian "commando" units were formed during the Second World War, where they mainly performed reconnaissance and long-range patrol roles during...

 units, particularly Z Special Unit

Z Special Unit

Z Special Unit was a joint Allied special forces unit formed during the Second World War to operate behind Japanese lines in South East Asia...

 (Z Force/SRD). It is based at Campbell Barracks

Campbell Barracks (Australia)

Campbell Barracks is an Australian Army base located in Swanbourne, a coastal suburb of Perth, Western Australia. The Australian Special Air Service Regiment has been based at Campbell Barracks since the Regiment was first established as an independent company in 1957...

, in Swanbourne

Swanbourne, Western Australia

-Facilities:Swanbourne includes the 18-hole Cottesloe Golf Club and Swanbourne Beach. Swanbourne is also well-known for having the only nudist beach in Perth. The beach, situated on army land and thus not subject to local council authority, is immediately north of the officially named Swanbourne...

, a suburb of Perth, Western Australia

Perth, Western Australia

Perth is the capital and largest city of the Australian state of Western Australia and the fourth most populous city in Australia. The Perth metropolitan area has an estimated population of almost 1,700,000....

. The SASR is widely regarded as an elite unit.
The SASR currently has three sabre squadron

Sabre squadron

A sabre squadron in the British Army's Royal Armoured Corps and Household Cavalry is an operational squadron of tanks or other armoured fighting vehicles, as opposed to a headquarters or support squadron....

s, known as 1, 2 and 3 Squadron.