160th adrenaline adventure afghanistan aviation backcountry bravery brotherhood combat commandotroops courage covert-operations doctor elite-soldiers emergency extreme-sports helicopters histiory history life-and-death medical-emergencies military militaryhelicopters mission-success mountaineering outdoor-adventures outdoors rescue-stories reward risk sacrifice search-and-rescue special-forces specialoperations(militaryscience) survival suspense teamwork true-stories united-states-army unitedstates warfare wilderness wilderness-exploration wilderness-medicine wilderness-survival