I hope this link works. This is a very interesting look at a nuclear sub, not to mention the Submariners.
https://www.facebook.com/Nightline/videos/489910935068865/UzpfSTcwNTM5MToxMDEwMjE0ODc3Njc3NTkxOA/
https://www.facebook.com/Nightline/videos/489910935068865/UzpfSTcwNTM5MToxMDEwMjE0ODc3Njc3NTkxOA/