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  W-15
IJN
W-13 Class Minesweeper

702 Tons
242' x 26.11' x 6.9'
2 x 4.7" guns
2 x 13mm machine guns

Ship History
Built at Fujinagata Zosen shipyard in Osaka. Laid down April 6, 1933. Launched February 14, 1934. Completed August 21, 1934 and registered in the Kure Naval District.

PARTIAL HISTORY

On April 2, 1943 at 8:00 arrives at Shortland Harbor escorting Gisho Maru and soon afterwards departs to patrol the western approaches to Shortland. The next day, begins patrolling the southern approaches to Shortland. On April 4, 1943 returns to Shortland at 6:15am. On April 5, 1943 departs Shortland Harbor and returns the next day. On April 8, 1943 departs Shortland at 8:10am and returns at 1:15pm.

On April 9, 1943 departs Shortland to patrol the northern approaches then on April 11, 1943 begin patrolling the western approaches on Shortland. On April 12, 1943 resumes patrolling north of Shortland.

On April 18, 1943 departs Buin (Kahili) bound for Ballale Island to meet Admiral Isoroku Yamamoto who is scheduled to arrive aboard G4M1 Betty 2656 Tail 323 with Vice-Admiral Matome Ugaki aboard G4M1 Betty Tail 326. Both bombers were scheduled to land at Ballale Airfield. Instead, both were shot down by intercepting P-38 Lightnings and were both shot down on southern Bougainville.

On April 20, 1943 W-15 proceeded to the mouth of the Wamai River on the southern coast of Bougainville and embarks the remains of Admiral Isoroku Yamamoto and the crew and passengers that died aboard G4M1 Betty 2656. Aboard, the bodies were placed under a tent on the bow of the ship. Aboard and an initial autopsy was conducted. At 4:00pm, departs for Buin (Kangu) and the bodies were transfered ashore.

On April 21, 1943 at 7:40am departs Buin escorting a convoy and returns at 1:45pm.

PARTIAL HISTORY

Sinking History
On March 5, 1945 while off Akuseki Jima in the Ryukyu Islands at 10:42am USS Tilefish (SS-307) spotted W-15 and fired torpedoes damaging the stern of W-15. Damaged, this vessel beached on a shoal off Suwasi Island with the assistance from Banshu Maru No. 51 to facilitate salvage. Spotting the damaged target on the beach, USS Tilefish (SS-307) fired two more torpedoes but they exploded on the reef. Afterwards, W-15 was abandoned as a total loss. On May 10, 1945 officially removed from the Navy list.

References
Combined Fleet - IJN Minesweeper W-15: Tabular Record of Movement

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Last Updated
April 19, 2018

 

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