Sgt. Hugo Frausto drill instructor, Receiving Company, Support Battalion, encourages participants to push through their fatigue to get over the obstacles Sept. 24 during the Boot Camp Challange. The Boot Camp Challenge had more than 40 obstacles in the 3-mile race. - Sgt. Hugo Frausto drill instructor, Receiving Company, Support Battalion, encourages participants to push through their fatigue to get over the obstacles Sept. 24 during the Boot Camp Challange. The Boot Camp Challenge had more than 40 obstacles in the 3-mile race.