SAS -The SAS.

About the SAS selection course; SAS selection is one of the most demanding military training courses in the world, with a reported pass rate of less than 10%. Selection is a test of strength, endurance, and determination over a six month period.

SAS - The SAS - Special air service: 22 SAS,23 SAS, 24 SAS, NZSAS, SASR, are Special Forces based in the UK ,Australia and New Zealand. for futher info goto whodareswins.com