But they emphasize that Ukraine would be well short of what it needs to counter Russia’s overwhelming land, sea and air superiority. Still, years of fighting the separatists have given Ukrainian veterans like Col.... years battling the rebels in the east in a conflict that has killed more than 14, 000 people, said the country now has thousands of highly motivated and battle-hardened troops.... World NationAs warnings fly between U.S. and Russia, how real is the threat of war in Ukraine?...