[Rebelbase]

How a Plucky Swedish Sub Took Out a US Carrier All on Its Own

https://www.popularmechanics.com/military/navy-ships/a19784775/gotland-class-sub-ronald-reagan-war-games/

[Mariner]

In a real fight that Swedish sub would have never made it out of harbor.

And even if it did, it’s full load of torpedoes would not sink a carrier.