The 1996 radiotherapy accident at San Juan de Dios Hospital in San José, Costa Rica. During the Cold War, NATO nations referred to these classes by NATO reporting names, based on intelligence data, which did not always correspond perfectly with the projects.See: List of NATO reporting names for ballistic missile submarines The K-431 incident was one of several involving Soviet submarine reactors. There were ten fatalities and 49 other people suffered radiation injuries. The K-431 incident was one of several involving Soviet submarine reactors. The authors analyzed events related to the largest nuclear accident in the history of the Soviet Navy, which occurred on the nuclear submarine K-431 on August 10, 1985, during scheduled operations at a dockyard in Chazhma Bay near Vladivostok. The K-431 incident was one of several involving Soviet submarine reactors. Ten Soviet submarines experienced nuclear accidents , and one other, K-11 , also suffered a refueling criticality. The K-431 incident was one of several involving Soviet submarine reactors. An explosion occurred during refueling of the submarine at Chazhma Bay, Vladivostok. Ten Soviet submarines experienced nuclear accidents, and one other, K … [ 593 ] K-192 (formerly K-131) [ 594] As tensions between the two capitals begin to reach Cold War levels, accidents such as the K-431 incident are important reminders that events can and will … The U.S. Navy’s nuclear submarine fleet, by contrast, suffered zero nuclear accidents—not only during the Cold War but all the way up to the present day. Radiation injuries were observed in 49 people, with 10 developing radiation sickness; the latter figure included mostly firefighters, some of whom sustained doses up to 220 rad (2.2 Gy) external and 400 rem (4 Sv) to the thyroid gland. Soviet submarine K-431 (originally the Soviet submarine K-31) was a Soviet nuclear-powered submarine that had a reactor accident on 10 August 1985. The U.S. Navy’s nuclear submarine fleet, by contrast, suffered zero nuclear accidents—not only during the Cold War but all the way up to the present day. According to Russia Beyond, this cat-and-mouse game continued for a … September 1987: Goiania accident. Of the 2,000 involved in cleanup operations, 290 were exposed to high levels of radiation compared to normal standards. Soviet submarine K-431; Kattegat incident; Category:Kursk submarine disaster; L Category:Lost submarines of the Soviet Union; M Soviet submarine M-200; Soviet submarine M-256; S Soviet submarine S-80; Soviet submarine S-117; Soviet submarine S-178; Soviet submarine S-189; Soviet submarine S-363; Soviet submarine K-159 Radioactive discharge accident ; Soviet submarine K-431 … There were ten fatalities and 49 other people suffered radiation injuries. Ten Soviet submarines experienced nuclear accidents , and one other, K-11 , also suffered a refueling criticality. December 1990 – Radiotherapy accident in Zaragoza. 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