Fearing Russian expansion, Baltic nations conduct military exercises. What are the implications for the U.S.?

From destroyers in the Baltic Sea to paratroopers over Georgia’s skies to camouflaged reservists in Estonia’s birch forests, drills across the former Eastern Bloc this past week were a stark new sign of worries about Kremlin aggression. Estonia in recent days held its biggest military exercises since the end of the Cold War, and other nations adjoining Russia have taken forceful steps to avoid Ukraine’s fate.

http://www.washingtonpost.com/world/europe/fearing-russian-expansion-baltic-nations-step-up-military-exercises/2015/05/15/b5ee51ee-f8c8-11e4-a47c-e56f4db884ed_story.html?tid=HP_world?tid=HP_world