11 SSPTS conducts vulnerability assessment
An 11th Security Support Squadron Airman ensures a door is locked as part of vulnerability assessment Aug. 20, 2015, at Imagine Andrews Public Charter School at Joint Base Andrews, Md. If an active shooter were trying to gain access to a facility, leaving the door unlocked could be a fatal mistake. (U.S. Air Force photo by Senior Airman Preston Webb/RELEASED)

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Tags: 11th Wing
Photo by: Senior Airman Preston WebbReleased |  VIRIN: 150820-F-DL987-017.JPG