U.S. Army Pfc. Darren P. Ziolkowski, a paratrooper assigned to Battle Company, 2nd Battalion, 503rd Infantry Regiment, 173rd Infantry Brigade Combat Team (Airborne), pulls security after reacting to indirect-fire during a situational training exercise, part of Exercise Rock Proof, in Postonja, Slovenia,  May 4, 2014. Exercise Rock Proof is a two-week long bilateral training exercise between the 173rd IBCT (Airborne) and Slovenian soldiers assigned to the 10th Battalion. (U.S. Army photo by Staff Sgt. Pablo N. Piedra /released)
Staff Sgt. Pablo Piedra
Taken on 4 May 2014
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