Official websites use .mil
Secure .mil websites use HTTPS
U.S. Air Force Tech. Sgt. Nicholas Ramirez, 8th Medical Operations Squadron physical therapy flight chief, teaches pilots from Republic of Korea Air Force’s 111th Fighter Squadron how to adjust their posture during a training session at Kunsan Air Base, Republic of Korea, Aug. 9, 2019. Pilots often suffer from neck and back pain from flying for prolonged hours wearing their equipment.