U.S. Army Staff Sgt. Zachary Zandoonai, a squad leader

U.S. Army Staff Sgt. Zachary Zandoonai, a squad leader with 1st Squadron, 2nd Cavalry Regiment, gives a class on how to use M18A1 Claymore mines to U.S. And U.K. Soldiers during a multinational claymore training exercise with Battle Group Poland at Bemowo Piskie Training Area, Poland on July 10, 2018. Battle Group Poland is a unique, multinational coalition of U.S., U.K., Croatian and Romanian Soldiers who serve with the Polish 15th Mechanized Brigade as a deterrence force in support of NATO’s Enhanced Forward Presence. (U.S. Army photo by Spc. Hubert D. Delany III /22nd Mobile Public Affairs Detachment)