Ukrainian and U.S. troops are taking part in drills near the war-torn country's Polish border in a bid to show unity and resolve in the face of an increasingly defiant Kremlin.
Russia's War Against Ukraine
USA Today: US troops take part in drills at Ukraine’s Polish border
Ukrainian servicemen wearing camouflage take part in a military drill with US troops in Yavoriv polygon, Lviv district, western Ukraine, on July 22, 2015.
