Master Sgt. Marsha Carll, 374th Medical Operations Squadron primary care flight chief, checks triage during a simulated active shooter scenario at Yokota Air Base, Japan, May 15, 2014. Medical professionals were tested on their life saving responses and ability to provide aid during an active shooter incident. (U.S. Air Force photo by Osakabe Yasuo/Released)
Yasuo Osakabe
<a rel="nofollow" class="external free" href="https://www.dvidshub.net/image/1342098">https://www.dvidshub.net/image/1342098</a>