What about the Japanese invasion of Alaska? Nearly 1500 Allied soldiers lost their lives. https://en.wikipedia.org/wiki/Aleutian_Islands_Campaign
You can find the full history of the submarine (I-17) as well as lots of other great information about the Imperial Japanese Navy here: http://www.combinedfleet.com/I-17.htm
What about the Japanese invasion of Alaska? Nearly 1500 Allied soldiers lost their lives. https://en.wikipedia.org/wiki/Aleutian_Islands_Campaign
You can find the full history of the submarine (I-17) as well as lots of other great information about the Imperial Japanese Navy here: http://www.combinedfleet.com/I-17.htm