American soldiers with Delta Company, 2nd Battalion, 7th Infantry Regiment, 1st Armored Brigade Combat Team, 3rd Infantry Division with M1A2 Abrams tanks before a tank training exercise practicing infiltration at the Drawsko Pomorskie Training Area in Poland on June 12, 2015.    NATO is engaged in a multilateral training exercise "Saber Strike," the first time Poland has hosted such war games, involving the militaries of Canada, Denmark, Germany, Poland, and the United States.