Life aboard a nuclear submarine

No contact, no fresh air: 206 days aboard a nuclear submarine. For a

record six and a half months, sailors on the Vanguard-class vessel could
not see daylight or tell loved ones they were alive. At least there was
mini golf.

 Times 24th April 2026 

 https://www.thetimes.com/uk/defence/article/vanguard-submarine-nuclear-deterrent-day-in-life-l5qlw2scr