New evidence is exposing Russia's deepening role in the conflict in eastern Ukraine, suggesting Vladimir Putin may be preparing to gobble up more territory undeterred by NATO -- as a new U.S. military document highlights the extent of Moscow's aggression.
Russia's War Against Ukraine
Fox News: Putin biding his time? Evidence shows buildup of Russian tanks, generals in Ukraine
A Russian T 14 Armata tank rides through Red Square in Moscow, on May 7, 2015, during a rehearsal for the Victory Day military parade.
