epa04679759 US soldiers of the ‘Dragoon Ride’ convoy stand together for a group photo of them taken while visiting the Warsaw Uprising museum within their stay in Warsaw, Poland, 26 March 2015. The ‘Dragoon Ride’ convoy with US soldiers moves from Estonia to their NATO base in Bavaria, Germany. The soldiers took part in an Atlantic Resolve exercises in the Baltic countries, designed to show that NATO is prepared to defend its members and launched last year in response to Russia’s aggression on Ukraine and annexation of Ukraine’s Crimean Peninsula. EPA/MARCIN OBARA POLAND OUT