North Korean spy ship in Japan? Where did it come from? Japan coast guard museum in Yokohama

In Yokohama there is a hangar that is a museum by the Japanese Coast Guard to show a North Korean ship that they successfully destroyed in the Battle of Amami-Oshima in 2001.
#japan #northkorea #museum #yokohama
You can find a link to the museum here. -
goo.gl/maps/MR...