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U.S. Marine Lance Cpl. Garrett Bruening, center, and Everett Bonilla, left, 1Chemical, Biological, Radiol171 Marine Air Station, Iwakuni, Japan, cal and Nuclear responders assigned to Marine Wing Support Squadron 171, Marine Air Station, Iwakuni, Japan, mark the boundaries around a simulated CBRN contaminated area during exercise Beverly Sentinel 26-4 at Kunsan Air Base, Republic of Korea, July 22, 2026. By exchanging tactics, techniques, and procedures, Airmen and Marines forged a dynamic and lethal operational playbook, honing capabilities to overcome complex challenges as a single, cohesive unit. (U.S. Air Force photo by Staff Sgt. Joshua DeGuzman)