Today we take a look at the first half of the second year of the USN's pacific sub campaign, things are getting better, but the Mk14 continues to dog progress.

Sources:
www.amazon.co.uk/UnrestrictedWarfareOfficersSubmarineVictory/dp/047138495X
www.usni.org/press/books/silentvictory
www.amazon.co.uk/SilentServiceWorldWarSubmarine/dp/1636241263
www.amazon.co.uk/SinkEmAllSubmarineWarfare/dp/1387400738

Footage from US National Archives video codes:
428NPC629/2740/13396/14159/15499/15514/15888



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