Official websites use .mil
Secure .mil websites use HTTPS
Tech. Sgt. John Havens, 455th Expeditionary Security Forces Squadron, Check Six instructor, briefs a class on actions to take in case of an active shooter threat, Bagram Airfield, Afghanistan, Aug. 02, 2016. Check Six employs a 3+2+1 solution to teach individuals how to be react during an active shooter threat. There are three actions to choose; barricade, fight or escape, two outcomes; to survive or not and one chance to get it right. (U.S. Air Force photo by Senior Airman Justyn M. Freeman)
CAMERA
N/A
LENS
APERTURE
SHUTTERSPEED
ISO
No camera details available.
This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.