In the minutes the Russian navy tug “Prof. Nikolay Muru” with a Russian Navy Kilo class is leaving Mediterranean sea westbound.
On 12th of December a Similar submarine (we don’t know if it’s the same) entered into Mediterranean Sea “escorted” by “CAPITAN GUREV” tug.
The naval base in Tartus, Syria, houses Russian submarines. Read our article here: https://www.itamilradar.com/2019/12/30/russian-varshavyanka-class-submarines-in-syria/