A woman, believed to be a Ukrainian servicewoman, carrying her uniform looks back at an armed man, believed to be a Russian serviceman, while leaving a military base in Perevalnoye, near the Crimean city of Simferopol, March 19, 2014. Ukraine's National Security and Defence Council opened a session on Wednesday devoted to threats to national security following Russia's moves to take control of the Crimea peninsula. (Photo by Shamil Zhumatov/Reuters)
