Airmen from the 37th Bomb Squadron participate in an obstacle course during a Comprehensive Airman Fitness day in the Pride Hangar at Ellsworth Air Force Base, S.D., Sept. 30, 2014. Teams of four Airmen participated in the course which consisted of 12 different events, including a sandbag carry, low crawls and a rock-wall climb. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)