Air Force Airman 1st Class Kelby Durnin, 4th Medical Operations Squadron medical technician, sprints around the quarter-mile track during a commander's challenge for a Comprehensive Airmen Fitness (CAF) Day event at Seymour Johnson Air Force Base, , Nov. 22, 2013. The challenge featured a 400-meter sprint, kettle bell lifts, flipping a tire and pushing a truck. ( Air Force photo by Airman 1st Class John Nieves Camacho)


Size: 1290px × 1938px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, airmen, base, caf, camacho, challenge, commanders, comprehensive, day, durnin, fitness, force, john, johnson, kelby, military, nieves, seymour, states, united, usa