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U.S Air Force Master Sgt. Daniel Romine, a power production Airman in the 442d Civil Engineer Squadron at Whiteman Air Force Base, Mo., put on simulated M9 chemical detection tape for the preparation of the ground base exercise at Cannon Range, Mo., Sept. 13, 2019. In a real world situation, M9 tape changes colors when in contact with various chemicals to alert Airmen of airborne threats. (U.S. Air Force photo by Senior Airman Taylor Davis)
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