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Airmen from the 505th Combat Training Squadron, Hurlburt Field, Florida, execute exercise BLUE FLAG, testing Pacific Air Forces' ability to prevail in conflict against a strategic competitor as well as the U.S. Indo-Pacific Command air component's ability to ensure command, control, communications, and computer, or C4I, systems resiliency against escalating cyberspace attacks, Joint Base Pearl Harbor-Hickam, Hawaii, Jan. 28 – Feb. 3, 2023.