Russian attack sub reportedly disappears from NATO radars in the Mediterranean
An informed source has confirmed to Sputnik that the Black Fleet’s Rostov-on-Don diesel-electric attack submarine which disappeared from NATO radar screens last week remains in contact with command and is transmitting information.
https://sputniknews.com/military/202103191082395513-russian-attack-sub-reportedly-disappears-from-nato-radars-in-the-mediterranean/