Interesting documentary
 

Came across a YouTube channel while searching submarines in the pacific. This guy gives the full history of the US Submarines in the WW2, he does it year increments 1st episode Dec 42 to Dec 42. It has a lot of what's known how bad the m-14 torpedo was the struggle to get it fixed. He talks about individual boats an their experiences. The channel is the drachininfel. The docu is called the USN Pacific Submarine Campaign. So any of those who play SH4 like myself will find this interesting