Maj. Gen. Frederick Martin, U.S. Air Force Expeditionary Center commander, and Command Chief Master Sgt. Robert Rodewald, 18th Air Force Command Chief, speak to members of the 731st Air Mobility Squadron on Osan Air Base, Republic of Korea, March 25, as part of a week-long tour of mobility units in the Pacific area of responsibility. The visits focused on members of the 515th Air Mobility Operations Wing, which serves as the Pacific arm of the USAF EC and is operationally controlled by 18th AF through the Tanker Airlift Control Center at Scott Air Force Base, Illinois. (U.S. Air Force photo by Staff Sgt. Jacob Barreiro)