Senior Airman Dalton Strickland, 820th Combat Operations Squadron training instructor, keeps pace during a ruck march Feb. 21, 2020, at Moody Air Force Base, Georgia. Members of the 105th Base Defense Squadron, New York, from Stewart Air National Guard Base and 820th Base Defense Group participate in a ruck march as part of the Initial Qualification Training for Base Defense Group Airmen to ensure readiness in a deployed environment. Ruck marches allow Airmen to understand the feeling of carrying mission essential items to better pace themselves and stay fit. (U.S. Air Force photo by Airman 1st Class Elijah M. Dority)