Col. Kevin Gordon, 15th Wing commander, gives the opening remarks during the 15th Operations Group Change of Command Ceremony, Joint Base Pearl Harbor-Hickam, Hawaii, June 22, 2017. The 15th Operations Group oversees operations at the largest joint-use airflield in the U.S., executes global combat and peace time operations, and provides executive airlift for senior military leaders. (U.S. photo by Tech. Sgt. Heather Redman)