Nuclear submarines have long been a favourite in popular fiction. From movies such as The Hunt for Red October to long-running TV series like Voyage to the Bottom of the Sea, they have always been portrayed as awesome instruments of geopolitical power gliding quietly through the gloomy deep on secret, serious missions.
But at the end of their useful lives the subs essentially become floating nuclear hazards, fizzing with lethal, spent nuclear fuel that's extremely hard to get out. Nuclear navies have had to go to extraordinary lengths to cope with their bloated and ageing Cold War fleets of hunter-killer and ballistic missile nuclear subs.
As a result, some of the strangest industrial graveyards on the planet have been created stretching from the US Pacific Northwest, via the Arctic Circle to Russias Pacific Fleet home of Vladivostok.
These submarine cemeteries take many forms. At the filthy end of the spectrum, in the Kara Sea north of Siberia, they are essentially nuclear dumping grounds, with submarine reactors and fuel strewn across the 300m-deep seabed. Here the Russians appear to have continued, until the early 1990s, disposing of their nuclear subs in the same manner as their diesel-powered compatriots: dropping them into the ocean.
Rusting remains
The diesel sub scrapyard in the inlets around Olenya Bay in north-west Russia's arctic Kola Peninsula is an arresting sight: rusted-through prows expose torpedo tubes inside, corroded conning towers keel over at bizarre angles and hulls are burst asunder, like mussels smashed on rocks by gulls.
The Soviets turned the Kara Sea into "an aquarium of radioactive junk" says Norways Bellona Foundation, an environmental watchdog based in Oslo. The seabed is littered with some 17,000 naval radioactive waste containers, 16 nuclear reactors and five complete nuclear submarines one has both its reactors still fully fuelled.
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