U.S. Air Force Airman 1st Class Zachary Rollins, an aircrew flight equipment technician with the 347th Operations Support Squadron (OSS), poses for a photo while participating in a ruck march during a Comprehensive Airman Fitness (CAF) Day, March 9, 2018, at Moody Air Force Base, Georgia.
During CAF Day, the 347th OSS focused on the physical domain, bolstering resiliency through team building activities. (U.S. Air Force photo illustration by Airman 1st Class Erick Requadt)
Original public domain image from Flickr