Annexation of Crimea by the Russian Federation military intervention in Ukraine "until normalization of a socio-political environment in the country". Putin's swift manoeuvre prompted protests of intelligentsia and demonstrations in Moscow against a Russian military campaign in Crimea. By 2 March, Russian troops moving from the country's naval base in Sevastopol and reinforced by troops, armour, and helicopters from mainland Russia exercised complete control over the Crimean Peninsula. Russian troops operated in Crimea without insignia. On 4 March Ukrainian General Staff claimed there are units of 18th Motor Rifle Brigade, 31st Air Assault Brigade and 22nd Spetsnaz Brigade deployed and operating in Crimea instead of Russian Black
Timeline of the annexation of Crimea by the Russian Federation to get away unharmed. Chairman of the Supreme Council of Crimea Volodymyr Konstantinov was booed by a gathered crowd of protesters who were yelling "Crimea – Russia". On February 28, The Ministry of Defense of Ukraine acknowledged the threat of possible takeovers of military units in Crimea during the night on Saturday by radical forces. On February 28, facing possible Russian intervention, U.S. President Barack Obama stated that any military action would "Come at a cost," following his denunciation of Russian aggression in the region. On February 28 the leaders of Ukraine received a message from Russia. According to the