Staff Sgt. Matthew Krause fires his M-4 rifle during a demonstration exercise Oct. 16, 2013, at Eglin Air Force Base, Fla. Approximately 1,500 active-duty, Reserve and National Guard Airmen attend the squadron's Brave Defender training each year. Bravo Defender is a six-week deployment training course for security forces Airmen. It is one of only six SF deployment training courses in the U.S. (U.S. Air Force photo by Samuel King Jr.)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/39513508@N06">US Air Force</a> from USA
2013-10-25 11:14
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usairforce/10477696826/">Defender demonstration exercise</a>