diesel-electric subs going to nuclear


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phil99

Guru

Joined: 11/02/2018
Location: Australia
Posts: 3408
Posted: 05:16am 30 Aug 2026      

If memory serves (it's getting increasingly unreliable), earlier generations of US subs were so expensive to safely de/re-fuel the current generation reactors contain enough fuel to last the projected life of the subs.
Hence no provision for refueling.

And decommissioning was vastly more expensive.
The plan for decommissioning the current generation is to seal up the reactor module then cut out that whole section from the hull.
After a few decades in a cooling pond it will be buried in concrete at a remote site.
It is assumed residual radiation in the rest of the sub will be low enough to ignore.