Channel 4 series SAS: Who Dares Wins offers a unique insight into the world of military training.

Ant Middleton and his pack of hardened military veterans test the physical and mental steel of contestants, pushing them through a series of gruelling challenges.

Brutal interrogation scenes, 12-hour workouts and sleepless nights are standard when it comes to this seven-day training camp.

Literally, just watching this TV show will grow a couple extra hairs on your chest!