Today we take a look at why the IJN's submarine force was doing in comparison to its USN opposite number, and also why they were conducting their war in this manner.
Sources:
https://www.amazon.co.uk/Japanese-Submarine-Force-World-Bluejacket/dp/1557500150/
https://www.amazon.co.uk/gp/product/B06XG5FJR3/
https://www.amazon.co.uk/Sunk-Story-Japanese-Submarine-1941-1945/dp/1615775811/
Footage from US National Archives video codes:
428-NPC-10043/10012/20614
Naval History books, use code 'DRACH' for 25% off - https://www.usni.org/press/books?f%5B0%5D=subject%3A1966
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'Legionnaire' by Scott Buckley - released under CC-BY 4.0. www.scottbuckley.com.au