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
Reaction of Russian intelligentsia to the 2014 annexation of Crimea the move included Chaif, Chicherina, Alexander F. Sklyar, and Vadim Samoylov (ex-Agatha Christie). Many rock concerts have been organised in Crimea following the annexation. Russian scientists and artists who disagreed with Russian government policy in Crimea, announced their opposition in an open letter: ""Our country has been plunged into a dangerous adventure. Under the slogan "Defend the Russian in Crimea, as well as all Ukrainians from the new illegitimate, fascist government in Ukraine!", an actual annexation of the Crimea has already happened. International law was heavily violated and principles of European security and stability were destroyed. Russia is rapidly slipping