Where do the British SAS get there soldiers?

The British Special Air Service (SAS) primarily recruits soldiers from the British Army, but they also accept candidates from the Royal Navy, Royal Air Force, and other branches of the UK armed forces. Potential recruits must undergo a rigorous selection process, which includes physical and mental challenges designed to assess their suitability for special operations. Once selected, candidates receive extensive training in various skills essential for SAS missions, including navigation, survival, and combat techniques.