The U.S. is considering sending ground troops to the Baltic states on new military exercises as it seeks to reassure Nato allies in eastern Europe. It follows a Pentagon announcement of extra US F-16 jets to join Nato patrols in Poland and the Baltic on March 5, and recent requests by the Ukrainian government for possible U.S. military assistance outside the NATO area.
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| A Ukrainian soldier guards a checkpoint near the village of Salkovo, in a region adjacent to Crimea |