Mortarmen provide Rock Proof V indirect fire
U.S. soldiers from the 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade, fire a mortar during a live fire exercise Oct. 19, 2015, at Pocek Training Range, near Postojna, Slovenia. Mortarmen from the 2nd Battalion, 503rd Infantry Regiment supported exercise Rock Proof V with indirect fire as other assets provided close air support, artillery and machine gun fire. The exercise was designed to build interoperability between U.S. and Slovenian militaries and maintain strong ties between NATO allies. (U.S. Air Force photo/ Staff Sgt. Armando A. Schwier-Morales)