Caspian Flotilla corvettes transit Bosphorus: #ВМФ Project 21631 #Кф CF Buyan-M class corvette Veliki Ustyug (with carbon-fibre superstructure) armed with SS-N-30 / Kalibr missiles, transited Mediterranean-bound Bosphorus. 651 took part in Kalibr strikes against #Syria on 7OCT15 pic.twitter.com/Y8FTzQ37YJ

— Yörük Işık (@YorukIsik) June 17, 2018