Air Vice Marshal Andrew Clark, Royal New Zealand Air Force chief of Air Force, speaks during the Pacific Air Chiefs Symposium 2021 at Joint Base Pearl Harbor-Hickam, Hawaii, Aug. 31, 2021. The symposium consisted of a number of presentations and panel discussions covering topics ranging from humanitarian assistance and disaster relief, domain awareness, multi-domain operations and interoperability. (U.S. Air Force photo by Tech. Sgt. Nick Wilson)