Built in 1919, it served in prewar trade operations with Yamashita Kisen Gomei Kaisha until the start of the Pacific war
Served as a cargo ship transporting raw materials to Japan from Palau and Angaur, and then transport between Japan and the 'Inner South Seas'.
On May 4, 1943 suffered mino damage during an air raid off Wewak.
At Yokosuka from January 17-20, 1944 then departed for Truk Lagoon arriving on February 5, 1944 and remained at the 4th Fleet Anchorage south-east of Dublon, when the rest of her convoy left on February 12.
During "Operation Hailstone"n February 17, 1944 anchored at Eten
anchorage and attacked but survived undamaged. On February 18, 1944 a TBF Avenger from USS Essex dropped a
500lbs bomb that hit midship. Leaving the ship was burning and sinking stern first and five crew died in the attack.
Resting upright the shipwreck was initially discovered by Jaques Cousteau during 1969, the shipwreck was not dived. Located again during a 1973 fathometer survey. The ship's bell confirmed its identity. Since then, visited by SCUBA divers as one of the most spectacular shipwrecks and often called the "Million Dollar Wreck" by divers speculating
at the worth of the military cargo aboard.
Coral and sponge encrusted 3 inch bow gun.
Hold No. 1
Contain spherical sea mines and their detonators and "horns" for
detonation on contact in boxes nearby.
Hold No. 2
Carries several trucks, barrels of fuel
and aerial bombs.
The bridge area is intact, and the deck has winches. The crew quarters contain dishes, bottles
Forward of the bridge are three Type 95 Ha Go tanks: two starboard, and Type 95 Ha Go Tank on the port side. Also, a large truck, steam roller and another truck have
rolled off the deck and are lying on the sea bed.
The aft holds contain stacked
torpedoes, some are out of place because there high pressure air
since exploded. The rearmost hold is full of depth charges. Here
the hull plates are split and ripped apart.
WWII Wrecks of Truk Lagoon page 426
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January 10, 2018