http://blogs.reuters.com/great-debate/2014/05/27/russias-nav...
http://blogs.reuters.com/great-debate/2014/05/27/russias-nav...
https://de.rbth.com/wissen-und-technik/79917-russische-atom-...
If Germany invested that amount of money into Russia, you can bet that it was urgent.
Hopefully Russia has shown more care dealing with their Nuclear power plants...
https://www.dw.com/de/russland-entsorgung-von-atom-u-booten-...
http://www.faz.net/aktuell/politik/lager-fuer-alte-atom-u-bo...
All in all the West (!!!) provided many more billions for the safety of those approximately 120-180 (!) nuclear-powered submarines.
https://www.zeit.de/2013/07/Russisches-Polarmeer-Atom-U-Boot...
Pictures:
https://www.bmwi.de/Redaktion/DE/Downloads/A/abruestung-atom...
Russia also has submarines buried at the ground in the arctic sea. Like the K-27 in the early 80s.
https://www.maritime-executive.com/editorials/russia-updates...
Sunken objects:
> 17,000 containers of radioactive waste; 19 ships containing radioactive waste; 14 nuclear reactors, including five that still contain spent nuclear fuel; the K-27 nuclear submarine with its two reactors loaded with nuclear fuel and 735 other pieces of radioactively contaminated heavy machinery.