As noted, "Ivan Sidorenko" left the port of St. Petersburg on September 15, he should arrive in Mukran on September 17.

The Kommersant newspaper specifies that the Akademik Chersky pipelayer is currently stationed in this port.

Another supply vessel, Ostap Sheremet, is located in Kaliningrad.

In the summer, Die Welt wrote that Gazprom had found a way to bypass US sanctions and complete the construction of Nord Stream 2.

It was about the pipe-laying vessel "Akademik Chersky". 

As stated in the Russian Security Council, the Russian pipe-laying vessels that are building the gas pipeline were guarded by naval ships.