Air Force Chief of Staff Gen. CQ Brown, Jr., right, listens to partner nations during the Pacific Air Chiefs Symposium 2021 at Joint Base Pearl Harbor-Hickam, Hawaii, Sept. 1, 2021. Air chiefs from 15 countries participated in PACS- 21, which aims to strengthen alliances and partnerships throughout the region. (U.S. Air Force photo by Tech. Sgt. Jimmie Pike)