Exercise Beverly Sentinel 17-1

U.S. Air Force Tech. Sgt. Michael Denson, 51st Security Forces Squadron Defender, lies on the ground after being apprehended during Exercise Beverly Sentinel 17-1 at Osan Air Base, Republic of Korea, May 4, 2017. Beverly Sentinel exercises test Team Osan’s ability to react to threats like active shooters, requiring agencies ranging from command post to security forces to swiftly respond to the present threat. Denson was one of two Defenders playing the role of a hostile shooter. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)

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Exercise Beverly Sentinel 17-1

U.S. Air Force Tech. Sgt. Eric Young, 51st Security Forces Squadron flight sergeant, wrestles U.S. Air Force Tech. Sgt. Michael Denson, 51st SFS Defender, to the ground during Exercise Beverly Sentinel 17-1 at Osan Air Base, Republic of Korea, May 4, 2017. Young successfully overpowered and restrained Denson after a brief hand-to-hand fight, ending the manhunt and clearing the way for medical personnel to treat the Airmen with simulated injuries from the active shooter. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)

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Exercise Beverly Sentinel 17-1

U.S. Air Force Tech. Sgt. Michael Denson, 51st Security Forces Squadron Defender, hides from other Defenders while simulating being a hostile gunman during Exercise Beverly Sentinel 17-1 at Osan Air Base, Republic of Korea, May 4, 2017. Beverly Sentinel exercises test Team Osan’s ability to react to threats like active shooters, requiring agencies ranging from command post to security forces to swiftly respond to the present threat. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)

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Exercise Beverly Sentinel 17-1

U.S. Air Force Airman 1st Class Andres Martinez, 51st Security Forces Squadron response force member, adjusts his chinstrap after sweeping a building for a simulated gunman during Exercise Beverly Sentinel 17-1 at Osan Air Base, Republic of Korea, May 4, 2017. Defenders were quick to respond to reports of gunfire during the exercise, executing building sweeps, Self-Aid and Buddy Care, and engaging in firefights with the two simulated gunmen. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)

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Exercise Beverly Sentinel 17-1

U.S. Air Force Staff Sgt. Corey Sokoloski tightens a tourniquet above a simulated gunshot wound on U.S. Air Force Staff Sgt. Lauriele McDermott’s arm during Exercise Beverly Sentinel 17-1 at Osan Air Base, Republic of Korea, May 4, 2017. The two 51st Security Forces Squadron Defenders were some of the first responders on the scene of the simulated shooting, leading to the encounter with the shooter that left McDermott wounded. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)

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Exercise Beverly Sentinel 17-1

U.S. Air Force Staff Sgt. Cliff Coppenbarger, 51st Security Forces Squadron Defender, simulates being a hostile gunman during Exercise Beverly Sentinel 17-1 at Osan Air Base, Republic of Korea, May 4, 2017. Beverly Sentinel exercises test Team Osan’s ability to react to threats like active shooters, requiring agencies ranging from command post to security forces to swiftly respond to the present threat. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)

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Exercise Beverly Sentinel 17-1

Published May 4, 2017
By Staff Sgt. Victor J. Caputo
51st Fighter Wing Public Affairs

OSAN AIR BASE, Republic of Korea -- U.S. Air Force Tech. Sgt. Michael Denson, 51st Security Forces Squadron Defender, lies on the ground after being apprehended during Exercise Beverly Sentinel 17-1 at Osan Air Base, Republic of Korea, May 4, 2017. Beverly Sentinel exercises test Team Osan’s ability to react to threats like active shooters, requiring agencies ranging from command post to security forces to swiftly respond to the present threat. Denson was one of two Defenders playing the role of a hostile shooter. (U.S. Air Force photo by Staff Sgt. Victor J. Caputo)