Komahashi was the name of a Japanese vessel in the 1930s.
The main concern is illegal tuna fishing by Japanese vessels.
Even Japanese vessels were sunk in the lake to hide the massacre.
The Japanese vessel was thought to be a tanker.
Two Japanese civilian vessels also joined in the search.
When she came up, the Japanese vessel was retiring from the scene and by dawn had disappeared over the horizon.
Several of the Japanese vessels seemed to be on fire and there was an explosion; perhaps a destroyer blowing up.
The plane failed to return, and despite searching by both Japanese vessels, no trace was ever found of the missing aircraft.
The sailor had served on the first Japanese vessel to visit the American mainland.
However, the Japanese vessel was merely damaged, not sunk.