U.S. Air Force Col. Jonpaul Mickle, Pacific Air Forces (PACAF) deputy chief of staff, warfighting, and Airmen assigned to PACAF headquarters, stand in formation during an honor cordon for the 2017 Pacific Air Chiefs Symposium at Joint Base Pearl Harbor-Hickam, Hawaii, Sept. 26, 2017. This event marks the largest number of air chiefs gathering from across the Indo-Asia-Pacific for dialogue and is intended to increase cooperation with our allies and partners. (U.S. Air Force photo/Tech. Sgt. Kamaile Casillas)