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reformed_colonial t1_j9cs3nm wrote

Reply to comment by eljefino in Previously unreleased footage from first submersible dives in July 1986 to the RMS Titanic shipwreck — British passenger liner that sank 14-15 April 1912 remains about 4,000 metres undersea in the Atlantic Ocean by marketrent

They are checked periodically for radiation leaks, and to be sure other countries aren't sniffing around. These days, the threat of someone making off with a rusty old Mk 45 nuclear torpedo aren't really a concern, but back during the Cold War it was.

I would imagine that Scorpion/Thresher survey visits are good training for current generation crews on Seawolf-class et al. to brush up their skills.

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