U.S. Air Force <PERSON> <PERSON>, 820th Base Defense Group fireteam member, climbs a rope as part of an obstacle course during an air assault assessment, Dec. 15, 2015, at Camp Blanding, Fla. <PERSON> had two attempts to climb the rope and pull themselves onto the tower in order to pass the obstacle course. (U.S. Air Force photo by <PERSON> <PERSON>/Released)