1989年4月,苏联海军一艘现代化的“迈克”(m)级核潜艇“共青团员’号(7900吨)在挪威近海沉没。挪威政府为此向苏联政府提出了强烈抗议。世界舆论也为之哗然。这艘沉没的潜艇是苏海军1984年以后才服役的一艘最先进的核动力潜艇。由于目前该级别的潜艇尚无第二艘,所以苏海军急切查明事故原因,并公开招标打捞这艘横卧在水下1600米处的核潜艇。为了获得该潜艇的打捞权,在苏联、美国、挪威、意大利、荷兰、芬兰等国的打捞公司之间展开了激烈 In April 1989, the Soviet Navy submarine “Communist Youth League” m (m) class submarine (7900 tons) sunk off the coast of Norway, the Norwegian government made a strong protest to the Soviet government. In an uproar, the submerged submarine was the most advanced nuclear-powered submarine to be served by Soviet Union since 1984. As the submarine at this level does not yet have a second ship, Su Haijun eagerly identified the cause of the accident and publicly invited tenders The submarine, lying about 1,600 meters underwater, fought a fierce battle between the salvage companies in the Soviet Union, the United States, Norway, Italy, the Netherlands, Finland and other countries in order to obtain the right to salvage the submarine