Staff Sgt. Christopher Ryan-Shull, 80th Aircraft Maintenance Unit crew chief, reviews technical orders on the flightline at Kunsan Air Base, Republic of Korea, May 13, 2021. Technical orders are manuals for maintainers involving step-by-step instructions to complete specific tasks or inspections on aircraft. Compliance with the technical orders by all maintenance Airmen is mandatory. (U.S. Air Force photo by Staff Sgt. Mya M. Crosby)