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U.S. Soldiers assigned to the 11th Engineering Battalion and U.S. Airmen assigned to the 51st Civil Engineer Squadron mix flowable concrete fill during IRON RADR at Osan Air Base, Republic of Korea, April 24, 2025. The rapid airfield damage repair mission encompasses advanced pavement repair techniques and strategies that support airfield operations in degraded and contingency conditions, allowing swift restoration of combat airpower generation capabilities no matter the warfighting landscape. (U.S. Air Force photo by Staff Sgt. Kahdija Slaughter)