With three hours set on the clock, students of the Fort Hood Air Assault School class 05-14 listen to a briefing by cadre concerning the route for the 12-mile march with a rucksack Feb. 13, 2014. The school requires students to complete a march with a rucksack in under three hours on the morning of graduation to be awarded Air Assault wings. (U.S. Army photo by Staff Sgt. Tomora E. Clark, 13th Public Affairs Detachment)