Senior Master Sgt. James Robbins observes his fire team during a stairwell clearing exercise March 5, 2014, at Silver Flag Alpha, 99th Ground Combat Training Squadron Range, Nev. Robbins is a 99th GCTS instructor and superintendent of operations. (U.S. Air Force photo by Staff Sgt. N.B/Released)
Staff Sgt. Nadine Barclay
Taken on 5 March 2014
<a rel="nofollow" class="external free" href="https://www.dvidshub.net/image/1217167">https://www.dvidshub.net/image/1217167</a>