[BenLurkin]

Sunk by her own torpedo.

Fired four at a Japanese destroyer. One ran low, two bounced off without exploding. The fourth circled back and took of her periscope.

(According to Wikipedia)

[GreyFriar]

Robowombat - Thank you for posting this article about finding the wreck of the WW2 US submarine Grunion.

In memory of those who sail beneath the sea.

[dpetty121263]

US torpedoes were very prone to malfunction of hitting their targets and not exploding or running wild and the technical problems were not solved till 1944....Japanese torpedoes were the best in the world.

[logi_cal869]

The poorly-written article raised more questions, so I ultimately found this

https://www.quartoknows.com/blog/quartodrives/hidden-warships-the-uss-grunion-submarine

[Joe Boucher]

Why did we name a U.S. Navy sub after a fish that beaches itself to spawn and deliver its eggs?

[Sequoyah101]

What an incredible story of collecting from all across the nation and even part of the world. Remarkable that one son had the resources to mount such an expedition.

[archy]

My granddad was in the Aleuts, and an uncle was lost with the S.S. Trout on a combat patrol off Saipan on 29 February 1944. Trout was also using Mk. XVIII electric torpedoes, and it was also possible that one of those had made a circular run and sunk the boat, as happened with Tang.

[archy]

"My focus right now is to have them honored in every possible place," including the World War II Registry, the Navy Memorial and the National Purple Heart Hall of Honor in New York, she says.

They likely need to know about the U.S. Submarine Force Memorial at the Indiana Military Museum at Vincennes, Indiana. Among their many other displays, there's a Mk XVIII Torpedo with a brick-faced memorial plaque for individual submariners killed or lost in action, the crew of SS 208 Grayback, plus the U.S.S. Indianapolis memorial, both for the WWII Cruiser and the recent Los Angeles class nukeboat.