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​  –––––––––––––––––––––– WWII Japan – North Pacific –––––––––––––––––––––––––

​bigpigeon.us webpage WWII Japan > North Pacific, © 2026 by Robert A. Christiansen updated by RAC 29 Dec 2025
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​Most WWII US military activity in the North Pacific involved Alaska Territory, which included the long  Aleutian Island chain shown in the following map.
About the North Pacific Area
  • The North Pacific Area was part of the Pacific Theater, under control of US Navy headquarters at Pearl Harbor, Hawaii Territory.
  • The US Army retained control of the Alaskan mainland.
  • The Eleventh Air Force, activated Jan. 1942, was responsible for army air activities in the North Pacific area.
The North Pacific Area
The North Pacific area of the Pacific Theater
 In theory the long Kurile and Aleutian island chains in the North Pacific could serve during WWII ( either as a Japanese route for attacks on North America or as an Allied route for attacks on northern Japan.

In practice, vile weather made major military operations in this theater untenable.
The NW Pacific - WW II
The Northwest Pacific - WWII
Pending --- Today the major military use of the North Pacific in World War II is little known

Sources for Big Pigeon's WWII Japan > North Pacific webpage:
  • ​The North Pacific Area of the Pacific Theater map was found at https://www.ibiblio.org/hyperwar/USA/USA-P-Guadalcanal/maps/USA-P-Guadalcanal-I.jpg.
  • The Northwest Pacific - WWII map is courtesy of davidrumsey.com 
  • The North Pacific Lend-Lease Routes map is courtesy of https://lend-lease.net/articles-en/the-unknown-world-war-ii-in-the-northern-pacific/.