The US is to deploy heavy weapons - including tanks, armoured vehicles and artillery - in a number of European nations, amid NATO concerns over Russia's role in Ukraine.
Russia's War Against Ukraine
BBC: US announces new tank and artillery deployment in Europe
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NATO troops make a massive amphibious landing off the coast of Ustka, northern Poland, during NATO military sea exercises BALTOPS (Baltic Operations) on June 17, 2015 in the Baltic Sea.