The newest diesel-electric submarine “Stary Oskol” of the Russian Navy on Wednesday passed through the Bosphorus and entered the Black sea. Equipped with missiles “Kalibr-PL” submarine makes the transition from the North to the black sea fleet of Russia. Through the Bosphorus “Stary Oskol” was held on the surface with a raised St. Andrew’s flag. Turkish media published footage of a Russian submarine.
— Yörük Işık (@YorukIsik) June 29, 2016