Members from the 39th Aerial Port Squadron, an Air Force Reserve unit in the 302nd Airlift Wing, Peterson Air Force Base, Colorado, compete in an engine-running onload/offload competition during Air Force Reserve Command’s Port Dawg Challenge at Dobbins Air Reserve Base, Georgia, April 23, 2019. Port Dawgs from the Air Force Reserve, Air National Guard, active-duty Air Force and British Royal Air Force competed in the PDC created to enhance and maintain the camaraderie of aerial port Airmen while promoting professionalism, leadership and training. (U.S. Air Force photo by Tech. Sgt. Amber Sorsek)