150507-F-RU983-352
Col. David Mott, 60th Operations Group commander, addresses the 60th Operations Support Squadron during their unit's change of command ceremony at Travis AFB, Calif., May 7, 2015. More than 150 Airmen and civilians gathered beside a KC-10 Extender to pay tribute to their outgoing commander, Lt. Col. Rafael Carroll, and welcome their new leader, Lt. Col. Eric Weber, who challenged them to continue a legacy of excellence in an increasingly demanding profession. (U.S. Air Force Photograph by Heide Couch/Released)
150507-F-RU983-352
Col. David Mott, 60th Operations Group commander, addresses the 60th Operations Support Squadron during their unit's change of command ceremony at Travis AFB, Calif., May 7, 2015. More than 150 Airmen and civilians gathered beside a KC-10 Extender to pay tribute to their outgoing commander, Lt. Col. Rafael Carroll, and welcome their new leader, Lt. Col. Eric Weber, who challenged them to continue a legacy of excellence in an increasingly demanding profession. (U.S. Air Force Photograph by Heide Couch/Released)