Members of the 51st Civil Engineer Squadron assist a casualty during an active shooter scenario March 19, 2012, Osan Air Base, Republic of Korea, during exercise Beverly-Midnight 12-01. Exercises such as this test Osan's ability to survive and operate during war while also testing the ability to plan and excute and exercise. (U.S. Air Force photo/Senior Airman Adam Grant)

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Staff Sgt. Norman Henderson, 51st Civil Engineer Squadron firefighter, assesses a casualty March 19, 2012, during exercise Beverly-Midnight 12-01, Osan Air Base, Republic of Korea. Exercises such as this test Osan's ability to survive and operate during war while also testing the ability to plan and excute and exercise. (U.S. Air Force photo/Senior Airman Adam Grant)

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An Airman from the 51st Security Forces Squadron waits for assistance before categorizing a casualty during an active shooter scenario March 19, 2012, Osan Air Base, Republic of Korea, during exercise Beverly-Midnight 12-01. Exercises such as this test Osan's ability to survive and operate during war while also testing the ability to plan and excute and exercise. (U.S. Air Force photo/Senior Airman Adam Grant)

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A member of the 51st Security Forces Squadron exercise evaluation team looks over a chart before writing down critques on the procedures taken by Airmen March 19, 2012, Osan Air Base, Republic of Korea, during exercise Beverly-Midnight 12-01. Exercises such as this test Osan's ability to survive and operate during war while also testing the ability to plan and excute and exercise. (U.S. Air Force photo/Senior Airman Adam Grant)

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First responders provide aid during active shooter scenario

Published March 20, 2012