The SAS is one of the world's most secretive and feared military units. In this unflinching series, elite ex-SAS soldiers reveal the truth about life inside the Special Air Service. What kind of psyche gets selected for the SAS? How do they cope with killing and loss? Frank interviews expose what happens when the soldiers are kidnapped - or when they come face-to-face with child soldiers armed with AK47s. Gripping, astonishing and occasionally very funny, Secrets of the SAS: In Their Own Words explores the reality of life in the SAS.