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A U.S. Air Force Airman assigned to the 927th Air Refueling Wing from MacDill Air Force Base, performs pre-flight maintenance on a KC-135R Stratotanker prior to a PACIFIC WEASEL exercise at Misawa Air Base, Japan, Sept. 29, 2021. The exercise included a simulated Defensive Counter-Air mission better enabling the defense of the U.S. allied and partner nation’s maritime vessels.