U.S. Air Force Airmen from the 27th and 73rd Aerial Port Squadrons complete one of five laps while competing in the fit-to-fight section of the Port Dawg Challenge at Dobbins Air Reserve Base, Ga., June 18, 2015. The Port Dawg Challenge was created to enhance and maintain the camaraderie, esprit de corps and prestige of Aerial Port Airmen while promoting professionalism, leadership, training and communication between "Port Dawgs." (U.S. Air Force photo by Senior Airman Josh Slavin/Released)