
Denis Valentinovich Berezovsky is a rear admiral and the Russian Black Sea Fleet deputy commander. He is also a former commander of the Ukrainian Navy. He was appointed commander-in-chief of the Ukrainian Navy by Interim President Oleksandr Turchynov on 1 March 2014, after the acting commander of the Ukrainian Navy Sergei Yeliseyev defected to Russia the same day. After serving for just one day, on 2 March, he defected to the self-declared pro-Russian separatist Crimean government during the 2014 Crimean crisis. On 24 March 2014, the Defense Minister of Russia Sergei Shoigu appointed Berezovsky as the Russian Black Sea Fleet deputy commander. On 5 March 2014, the Office of the General Prosecutor of Ukraine issued an order to detain Berezovsky on suspicion of treason.

Serhiy Anatolyovich Hayduk is a Ukrainian Vice Admiral and a former commander of the Ukrainian Navy.

Yuriy Ivanovych Ilyin is a Ukrainian Admiral and former Commander of the Ukrainian Navy. He was elevated to the position of Chief of the General Staff by President Viktor Yanukovych on 19 February 2014 after the existing chief, Colonel General Volodymyr Zamana, was dismissed by the President during the February 2014 Euromaidan riots.

Ihor Yosypovych Tenyukh is a former Ukrainian admiral and member of the nationalist Svoboda political party. He was the commander of the Ukrainian Navy from 2006 until 2010 when dismissed by Viktor Yanukovych. Tenyukh fully supported the 2013-2014 uprising, and was appointed Minister of Defense of Ukraine in February 2014. After and because of accusations of indecision in the face of the Russian invasion of Crimea, he resigned on 25 March 2014.

Ihor Oleksandrovych Voronchenko is a Ukrainian Vice Admiral and a former commander of the Ukrainian Navy.

Sergei Yeliseyev, Noginsk, Moscow Oblast) is a Vice Admiral, former First Deputy Commander and acting commander-in-chief of the Ukrainian Navy who defected to Russia in 2014 during Russian annexation of Crimea.

Admiral (Ret.) Mykhailo Bronislavovych Yezhel is the former Minister of Defence of Ukraine and a former Commander of the Ukrainian Navy.