Expedition 2018: 

During their 2018 Expedition, STEP Ventures, along with the Lost 52 Project led by Tim Taylor, located the missing bow of the USS-Grunion. Additional searches off the coast of Eastern Japan for USS SCAMP (SS-277 and USS TRIGGER (SS-237) were hampered by weather and did not result in any further discoveries.

Expedition 2019: 

USS-STICKLEBACK

3D IMAGE OF USS-GRUNION CREATED BY LOST 52 PROJECT

The USS Grunion (SS-216) was commissioned April 11, 1942 and began her first war patrol off the Aleutian Islands where she sank two enemy patrol boats before being sunk by her own torpedo during an attack on a Japanese merchant ship.

USS-GRUNION

2007 Abele Expedition: In 2007, the stern of the USS Grunion was discovered. This expedition was led by the sons of the USS Grunion's commanding officer, Lieutenant Commander Mannert L. Abele. For more information on the original expedition see this article: Grunion Mystery Solved

 

 

 

 

 

 

2018 STEP Expedition: The 2018 STEP funded expedition located the bow section of USS Grunion down a steep volcanic embankment, about a quarter mile (0.4 kilometers) from the main wreckage. See Video below for more information on discovery. 

For more information on the USS Stickleback check out these articles: 

LOST 52 PROJECT VIDEO

SONAR IMAGE OF USS-GRUNION'S BOW

For more information and videos check out the

"Lost 52 Project" 

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