PRAGUE, CZECH REPUBLIC - MAY 27:  A badge with flag of USA is placed on the sleeve of an U.S. soldier of the 2nd Cavalry Regiment of the US Army as he arrived with others at Czech army barracks on May 27, 2016 in Prague, Czech Republic. About 420 U.S. soldiers with 225 army vehicles are travelling in the 'Dragoon Ride II' convoy from Germany to Estonia where they will participate in the Saber Strike 16 exercise in the Baltic region. With this exercise, NATO shows cohesiveness and readiness of the involved countries to collective defense and future operations in Europe.  (Photo by Matej Divizna/Getty Images)