Wow, the Kootenay had a lot of bad luck. It was involved in an accident in the early 70's I think. Wasn't it sunk to form an artificial reef in Acapulco or something?
Kootenay gear box explosion in 1969 during full power trial, 9 sailors lost their life.
http://www.hazegray.org/navhist/canada/postwar/restigou/kootenay-explosion/