U.S. Air Force Gen. Mike Holmes, the commander of Air Combat Command, looks on as Master Sgt. Joe McKenzie Jr., a 173rd Maintenance Group quality assurance technician, shows him the inside of the rear landing gear on an F-15C model during his visit to the 173rd Fighter Wing in Klamath Falls, Oregon, Feb. 5, 2019. Although the wing falls under Air Education and Training Command, all fighter and bomber aircraft fall under the auspices of ACC. (U.S. Air National Guard photo by Tech. Sgt. Jefferson Thompson)