A North Korean Spy Ship in Yokohama: The Japan Coast Guard Museum

A video display shows footage of the interception in front of the hull of the recovered spy ship.

A Japanese-made cellphone and English-Korean dictionary recovered from the vessel. Glass cases at the museum hold assault rifles, heavy-caliber machine guns, and even launchers for rocket-propelled grenades. More display units show off explosive devices that were recovered from the wreck, diving suits and scuba equipment, and two detailed maps showing coastal regions of Kagoshima Prefecture.

A steel helmet and parts of a Soviet B-10 recoilless rifle.

More weaponry recovered from the wreck.

An electrical switch meant for use in a detonation device.

Kim Il-sung, in power until his death in 1994, appears on a lapel pin found on the boat.

A rubber raft could be launched from special doors installed in the vessel’s hull.

The view into the boat’s interior.

Bullet holes tell the tale of the battle that sent the vessel to the sea floor.