Col. Jason Knight, 4th Mission Support Group commander, stretches with other members of MSG Sept. 28, 2018, during the 4th Fighter Wing Comprehensive Airman Fitness Day at Seymour Johnson Air Force Base, North Carolina. Hundreds of 4th FW Airmen ran a 1.5-mile morale run to start the day and played a variety of sports in an effort to build teams and support the physical pillar of CAF. (U.S. Air Force photo by Tech. Sgt. David W. Carbajal)