Winter 1966-1967 location unknown –
"The Soviet icebreaker Lenin, the USSR’s first nuclear-powered surface ship, suffered a major accident (possibly a meltdown — exactly what happened remains a matter of controversy in the West) in one of its three reactors. To find the leak the crew broke through the concrete and steel radiation shield with sledgehammers, causing irreparable damage. It was rumored that around 30 of the crew were killed. The ship was abandoned for a year to allow radiation levels to drop before the three reactors were removed, to be dumped into the Tsivolko Fjord on the Kara Sea, along with 60% of the fuel elements packed in a separate container. The reactors were replaced with two new ones, and the ship re-entered service in 1970, serving until 1989."
Lenin
"At its launch in 1957 the icebreaker NS Lenin was both the world's first nuclear-powered surface ship and the first nuclear-powered civilian vessel. Lenin was put into ordinary operation in 1959.Lenin had two nuclear accidents, the first in 1965, and the second in 1967. The second accident resulted in one of the three OK-150 reactors being damaged beyond repair. All three reactors were removed, and replaced by two OK-900 reactors; the ship returned to service in 1970. TheLenin was taken out of operation in November 1989 and laid up at Atomflot, the base for nuclear-powered icebreakers, in the Murmansk Fjord. Conversion to a museum ship was scheduled to be completed during 2005."
News articles about this event
Bulletin Of Atomic Scientists, page 14
End
1966 Soviet Nuclear Reactor Powered Icebreaker Lenin Suffers Nuclear Reactor Meltdown; via @AGreenRoad
http://agreenroad.blogspot.com/2014/04/1966-soviet-nuclear-reactor-powered.html
http://agreenroad.blogspot.com/2014/04/1966-soviet-nuclear-reactor-powered.html
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