Air Force Chief of Staff Gen. David L. Goldfein and Gen. Charles Q. Brown Jr., Pacific Air Forces commander, walk through the 2019 Pacific Air Chiefs Symposium Honor Cordon at Joint Base Pearl Harbor-Hickam, Hawaii, Dec. 5, 2019. The theme of this year’s Air Chiefs Symposium, “A Collaborative Approach to Regional Security,” focuses on building mutual understanding of varied regional perspectives through bilateral engagements and multinational panels and meetings. (U.S. Air Force photo by Staff Sgt. Mikaley Kline)