SAS) is deemed by many as the toughest elite forces unit in the world.And it is the gruelling selection process that recruits have to go through before they are sworn in that sets them apart from all others.Brutal treks in Wales’ Brecon Beacons get soldiers into shape but it is the “jungle” phase that sorts the men from the boys.Candidates are dropped into the heart of deep jungles, often in Belize, where they are left on their own to survive on rations and patrol the harsh conditions.
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