Russia’s worst post-Soviet naval disaster occurred early in Putin’s presidency, in August 2000, when 118 crew died on the Kursk nuclear submarine that sank in … The 14 sailors who died when a fire erupted aboard a top-secret Russian nuclear submarine last week prevented a “planetary catastrophe,” a top naval officer said at their funeral, accor… Russia’s worst post-Soviet naval disaster also occurred in the Barents Sea, when 118 crew died on the Kursk nuclear submarine that sank after an explosion in August 2000. The 14 sailors who died when a fire erupted aboard a top-secret Russian nuclear submarine last week prevented a “planetary catastrophe,” a top naval officer said at their funeral… The Kyshtym disaster was a radioactive contamination accident that occurred on 29 September 1957 at Mayak, a plutonium production site in Russia for nuclear weapons and nuclear fuel reprocessing plant of the Soviet Union. Two Russia-based nuclear monitoring stations that monitor radioactive particles in the atmosphere mysteriously went quiet after an August 8 explosion at a Russian missile testing facility