During the Cold War Murmansk was a center of Soviet submarine and icebreaker activity. The newest and largest nuclear icebreaker at the time was ready for the Arctic. The second Soviet nuclear icebreaker was NS , the lead ship of the . Saurabh returns to Illiyasi, who bases himself on a heavily armed icebreaker ship. Or the equivalent of wooden tall ships encountering an unarmed modern icebreaker. Escort assistance was required for three days from the Russian nuclear-powered icebreaker . Players would start the game by boarding the "Borealis", an icebreaker bound for the city. In May 2007, sea trials were completed for the nuclear-powered Russian icebreaker NS . Lenin () is a Soviet nuclear-powered icebreaker. "Ymer" was followed by the Finnish , the first diesel-electric icebreaker in Finland, in 1939. Hobart is a logistics point for the French icebreaker "L'Astrolabe". It is China's first homebuilt icebreaker. The world's first diesel-electric icebreaker was the 4,330-ton Swedish icebreaker in 1933. These two were picked up several weeks later by the Soviet icebreaker "Krasin". Operations were conducted from the Canadian Coast Guard icebreaker "Laurier".