Col. Kelvin Findlay, 151st Air Refueling Wing commander, sits in the cockpit of Utah Air National Guard?s last KC-135 ?E? model on May 21. The last remaining KC-135E assigned to the wing flew to its final resting place at Hill Air Force Base where it was officially accepted into the Hill Aerospace Museum for public display. USAF photo by Staff Sgt. Emily Monson (RELEASED)