Ship on the map:

YAMAL
IMO: 9077549 MMSI: 273132400 Type: Nuclear Icebreaker
50 LET POBEDY
IMO: 9152959 MMSI: 273316240 Type: Nuclear Icebreaker
ARKTIKA
IMO: 9694725 MMSI: 273210920 Type: Nuclear Icebreaker
SIBIR
IMO: 9774422 MMSI: 273292320 Type: Nuclear Icebreaker
total vessels: 4