Staff Sgts. Ryan Michaels, Courtney Brock and Luke Frazier, 99th Security Forces Squadron training instructors, monitor an active shooter exercise in the 99th SFS shoot house Aug. 13, 2012, at Nellis Air Force Base, Nev. Cameras mounted on the walls enable instructors to see everything that happens during each scenario, even in total darkness.

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Staff Sgts. Ryan Michaels, Courtney Brock and Luke Frazier, 99th Security Forces Squadron training instructors, monitor an active shooter exercise in the 99th SFS shoot house Aug. 13, 2012, at Nellis Air Force Base, Nev. Cameras mounted on the walls enable instructors to see everything that happens during each scenario, even in total darkness.

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Size: 4256px × 2832px
Photo credit: © 508 collection / Alamy / Afripics
License: Licensed
Model Released: No

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