The Special Air Service (SAS) is an elite British military force organized and trained for special operations, surveillance, and counterterrorism
. It is part of the United Kingdom Special Forces (UKSF), which also includes the Special Boat Service, the Special Reconnaissance Regiment, the Special Forces Support Group, an integral signals regiment, and an air wing
. The SAS is known for its highly trained personnel and their skills in covert surveillance, close-combat fighting, and other specialized tasks
. The SAS was founded as a regiment in 1941 by David Stirling and was initially formed in North Africa during World War II
. The unit was disbanded in 1945 but was later reformed in 1947, with the 21st Special Air Service Regiment (Artists) (Reserve) and the 23rd Special Air Service Regiment as reserve units
. The SAS is famous for its exceptional reputation and has been involved in various conflicts, including the Gulf War, the Iraq War, and the War in Afghanistan
. The selection process for the SAS is rigorous, requiring potential members to pass a grueling UKSF selection process that tests military skills, fitness, endurance, initiative, and willpower
. The SAS currently consists of one regular (active-duty) regiment, the 22nd Special Air Service Regiment, and two territorial (reserve) regiments, the 21st and 23rd Special Air Service Regiments, all under the operational command of the United Kingdom Special Forces Command