Another interesting incident, this one involving a North Korean spy ship: https://en.wikipedia.org/wiki/Battle_of_Amami-Ōshima https://en.wikipedia.org/wiki/Ba

Another interesting incident, this one involving a North Korean spy ship: https://en.wikipedia.org/wiki/Battle_of_Amami-Ōshima https://en.wikipedia.org/wiki/Battle_of_Amami-Ōshima The wreckage is worth a visit if you find yourself in Tokyo with a day to spare for a trip to Yokohama. (Half a day will do easily if that's literally all you go to Yokohama for, but you can spend a pleasant few hours there, so may as well make a day of it.)