(Could this have anything to do with the USS Jimmy Carter?)
European Bank Could Help Russia Lift Sunken Nuclear Submarines
According to catalogs released by Russia in 2012, the military dumped some 18,000 separate objects in the Arctic that could be classified as radioactive waste. These included some 17,000 containers of radioactive waste; 19 ships containing radioactive waste; 14 nuclear reactors, including five still loaded with spent nuclear fuel; and 735 other piece of radioactively contaminated heavy machinery.
https://www.maritime-executive.com/editorials/european-bank-could-help-russia-lift-sunken-nuclear-submarines