Instructor Colin was the first person to pass selection from his regiment in about 20 years.
Despite the show being called 'SAS: Who Dares Wins' the majority of the instructors actually served in the Special Boat Service (SBS).
Chief Instructor Ant passed selection in 2000 and served with the Special Boat Service.
Instructor Ollie completed SAS selection in 1994 and served on global operations.
Instructor Foxy joined the Royal Marines and served multiple tours in Afghanistan.