82 US Navy vs IJN Fleet Submarine, 1941-42

In this episode we’re going to be looking at Japanese submarine operations in the Pacific during the early part of the war. While I’m sure we’re all familiar with the Imperial Japanese surface fleets actions during 1941-42, especially if you’ve listened to my discussions with Jeff Cox in episode #14 and #63, but there seems to be very little mention of submarines. Which is interesting because if we look at the Battle for the North Atlantic it was all about the German U-Boats.

USN Fleet Destroyer vs IJN Fleet Submarine: The Pacific 1941–42 (Duel)
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Leading up to the Pacific War, Japanese naval strategists believed that a decisive fleet engagement would be fought against the United States Navy. Outnumbered by the USN, the Imperial Japanese Navy planned to use its large, ocean-going submarines to chip away at its opponent before the grand battletle. In order to accomplish this, the IJN's submarine force was tasked to perform extended reconnaissance of the USN's battle fleet, even in port, and then shadow and attack it.

For their part, the USN was fully aware of the potential threat posed by Japanese submarines, and destroyer crews were trained and equipped with modern anti-submarine weapons and tactics to screen the battle fleet.

Challenging the assumption that Japanese submarines were ineffective during the Pacific War, this fully illustrated study examines their encounters with the US Navy, and the successes and failures of American destroyers in protecting their capital ships.

Joining me today is Mark Stille.

Mark is a retired US Navy commander, alumni of the US Naval War College and author of numerous Osprey titles, mainly focusing on the war in the Pacific – his latest being USN Fleet Destroyer vs IJN Fleet Submarine.