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A Royal Australian Air Force maintainer prepares to work on a F-35A Lightning II for exercise Cope North 25, at Andersen Air Force Base, Guam, Jan. 29, 2025. Participants exercise interoperability during CN25 through agile, integrated generation of airpower, demonstrating Allied airpower resilience and survivability in a contested environment. Exercises like CN enable the Joint and combined forces to validate new ways to deploy, maneuver and test new assets. (U.S. Air Force photo by Airman 1st Class Tala Hunt)