[LegendHasIt]

Wouldn’t it be better to place them in the ocean NEAR South Korea?

Submarines lose a lot of maneuverability when you put them in a country, especially one without a lot of really big lakes.

[Enterprise]

"Wouldn’t it be better to place them in the ocean NEAR South Korea?"

I suspect we do that already. Putting a sub in port for R&R is good for morale.