Mine Testing Army 1st Lt. Gregory Doty, liaison officer, Hammer Troop, 3rd Squadron, 2nd Cavalry Regiment, assembles an M18 claymore training mine as part of the testing phase for the Expert Infantryman Badge and the Expert Soldier Badge in Bemowo Piskie, Poland, March 31, 2020. The soldiers are deployed in support of NATO's enhanced Forward Presence Battle Group Poland. SHARE: Download: Full Size (5.24 MB) Tags: Army Credit: Army Sgt. Timothy Hamlin VIRIN: 200331-A-LY216-1002.JPG Photo Gallery