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
Annexation of Crimea by the Russian Federation building by Russian special forces, the Supreme Council of Crimea voted to hold a referendum on 25 May, with the initial question as to whether Crimea should upgrade its autonomy within Ukraine. The referendum date was later moved from 25 May to 30 March. A Ukrainian court declared the referendum to be illegal. On 4 March, Russian President Vladimir Putin said Russia was not considering annexing Crimea. He said of the peninsula that "only citizens themselves, in conditions of free expression of will and their security can determine their future". Putin later acknowledged that he had ordered "work to bring