Russia still has troops in eastern Ukraine and retains a very capable force on the border despite a partial withdrawal, NATO's military commander says.
Russia's War Against Ukraine
ABC News: NATO claims Russian troops remain in Ukraine
A pro-Russian separatist militant aims with his machine gun at the border post of Uspenka on the Russo-Ukrainian border, some 120 kilometers east of Donetsk, on Oct. 14, 2014.
