Russia loses all naval bases in Mediterranean region - Pletenchuk
Series of mystery blasts hit Russian-linked tankers
Russia dangles Syria reconstruction funding in exchange for basing rights
Video shows moments before Russian cargo ship Ursa Major sinks in Mediterranean
Blast sinks Russian ship off Spanish Mediterranean coast
Impact of Assad regime’s collapse and Russia's possible withdrawal from Syria – ISW
Russian military capabilities stretched thin across global conflicts, says U.S. general
Closing Bosphorus straits crucial in blocking Russia’s Black Sea strategy