Yes, in 1963. And along with the USS Scorpion (SSN-589) in 1968 are the only two US Navy nuclear submarine sinkings. Someone can convert that to 9's based on f

Yes, in 1963. And along with the USS Scorpion (SSN-589) in 1968 are the only two US Navy nuclear submarine sinkings. Someone can convert that to 9's based on fleet deployment time, but that seems like an exemplary 60 year safety record. https://en.m.wikipedia.org/wiki/List_of_sunken_nuclear_submarines https://en.m.wikipedia.org/wiki/List_of_sunken_nuclear_subma...