Russia and Ukraine have been locked in a tense stand-off since Russia's upper house of parliament approved the deployment of its forces in Crimea on March 1. Armed men -- without military insignia, but believed to be Russian -- have been guarding airports and government buildings on the Crimean peninsula, while more forces were massing near the Kerch Strait, which separates Crimea from Russia. (11 PHOTOS)
Russia's Military Presence in Crimea
1
An armed man stands outside the Cabinet of Ministers building in Simferopol, the regional capital of Crimea.
2
Ukrainian servicemen walk near Simferopol as a military vehicle, believed to be property of the Russian army, follows behind them.
3
A Cossack member of a pro-Russian paramilitary unit stands outside the regional parliament building in Simferopol.
4
Armed men in military uniforms, believed to be Russian soldiers, block access to a Ukrainian naval base near Feodosia, Crimea.
5
A Ukrainian woman speaks with armed men in military uniform, believed to be Russian soldiers, outside the Ukrainian naval base in Feodosia, Crimea.
6
Military personnel, believed to be Russian servicemen, stand outside a Ukrainian military post near SImferopol. A Ukrainian serviceman is seen behind the gate.
7
Ukrainian servicemen stand guard at their base in the village of Lyubimovka, southwest of Simferopol.
8
A Ukrainian Air Force aircraft flies over the Ukrainian naval base near Feodosia, which is blocked by soldiers believed to be Russian.
9
An armed man stands near a Ukrainian military base in Simferopol.
10
Military personnel, believed to be Russian servicemen, walk outside a Ukrainian military post in the village of Perevalnoye, near Simferopol.
11
Military vehicles, believed to be property of the Russian army, are seen near a Ukrainian military post in the village of Perevalnoye, near Simferopol.