An empty Ropucha returns from Syrian deployment. Tsezar Kunikov making a northbound passage. Photo: Aşkın EyüboğluRomanian Border Police vessel MAI-1104 making a southbound deployment probably for a Frontex mission somewhere in the Aegean. Photo: Alper Böler.The fully loaded Russian landing ship Alexander Otrakovski, heading to Mediterranean.Canadian frigate Fredericton making a night-time northbound passage through Istanbul. Photo: Yörük Işık.Serpukhov is heading to Eastern Mediterranean, where her sister Zeleny Dol is also deployed. It is not clear whether Serpukhov is going to replace the other or supplement.The second Buyan-M class corvette of Russian Black Sea Fleet Serpukhov, making her southbound passage through Istanbul.Ropucha class landing ship Minsk heading to Syria. Photo: Alper Böler.