Prepping Mortar Army Pfc. Matthew Guizer sights an 81 mm M252 mortar system during live-fire training at Wedrzyn, Poland, Nov. 30, 2016. Guizer is an indirect fire infantryman assigned to Headquarters Company, 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade -- a unit regularly stationed in Germany. This was the final training exercise for the unit in Poland and its continued support of Operation Atlantic Resolve with NATO Allies. Army photo by Sgt. William A. Tanner SHARE: Download: Full Size (1.92 MB) Tags: soldiers, army, training Credit: Sgt. William Tanner VIRIN: 161130-A-EM105-001A.JPG Photo Gallery