Japanese Occupation Site, Kiska Island

Japanese Occupation Site, Kiska Island

Japanese troops raising flag after invasion
Location Aleutian Islands, Alaska, United States
Coordinates 51°59′5″N 177°31′46″E / 51.98472°N 177.52944°E / 51.98472; 177.52944Coordinates: 51°59′5″N 177°31′46″E / 51.98472°N 177.52944°E / 51.98472; 177.52944
Area 48,900 acres (19,800 ha)
Built 1942
NRHP Reference # 85002732
Significant dates
Added to NRHP February 4, 1985[1]
Designated NHL February 4, 1985[2]

The Japanese Occupation Site on Kiska island (along with Attu Island) in the Rat Islands group of the Aleutian Islands of Alaska is where the Japanese Navy attacked and occupied United States territory during World War II. The Japanese built defenses and other infrastructure on the island before abandoning it in 1943 after losing the Battle of Attu. American and Canadian forces reoccupied the abandoned island, and departed the island in 1946. Now a part of the Alaska Maritime National Wildlife Refuge, the central portion of the island, where these military activities were concentrated, was designated a National Historic Landmark in 1985.


Kiska is a small island near the western end of the Aleutian Islands. Although it is regularly subject to stormy weather and fog, it features one of finest harbors in the area. At the time of World War II, Kiska was occupied by United States Navy weather station with a complement of ten men. On June 6–7, 1942, in actions designed to roughly coordinate with their attack on Midway Island, Japanese forces occupied both Kiska and Attu against no opposition. Although they had originally planned to withdraw from both islands before the onset of winter, the Japanese high command decided to hold them. Both islands were fortified, and Kiska was made their administrative center for further operations in the Aleutian Islands Campaign. On Kiska they built an airfield, a series of coastal and antiaircraft defenses, a submarine base, seaplane base, and quarters for troops. Naval facilities were concentrated on the northwestern shore of Kiska Harbor, with army facilities at Gertrude Cove. Dummy defenses were constructed all over the island, while real defenses were concentrated around the main bases and at the North Head of Kiska Harbor.[3]

The Japanese invasion eventually brought an American response. Allied air forces engaged in bombing campaigns that increased in severity as airfields closer to Kiska were built, and Japanese shipping was harried by naval forces. Then, in twenty days of battle in May 1943, American marine forces retook Attu. The Japanese consequently stepped up their fortifications on Kiska, but abandoned the island on July 28, having never finished construction of the airfield. Allied forces, unaware of the Japanese withdrawal, arrived in force on August 15. In an operation that cost 200 men to a variety of causes including friendly fire, the island was occupied. Among the items left behind by the Japanese were three disabled ships on the beaches of Kiska Harbor, one at Gertrude Cove, and a sunken I-class submarine at the site of the submarine base. Allied military changes included completion of the airfield runways and the installation of further defenses. Allied forces withdrew from the island in 1946.[3]

When inventoried by the US Army in 1976, surviving elements of the Japanese occupation included the submarine pen, a number of machine gun and antiaircraft gun emplacements, the wrecked freighter Nozima Maru, a midget submarine, and a structure that served as officers' quarters.[3]

Kiska Island is now administratively part of the Alaska Maritime National Wildlife Refuge, and authorization is required to visit the island. The central portion of the island, where the Japanese facilities were concentrated, and where the Allied landing took place, was designated a National Historic Landmark and listed on the National Register of Historic Places in 1985.[1]

See also


  1. 1 2 National Park Service (2008-04-15). "National Register Information System". National Register of Historic Places. National Park Service.
  2. "Japanese Occupation Site, Kiska Island". National Historic Landmark summary listing. National Park Service. Retrieved 2008-07-03.
  3. 1 2 3 "NHL nomination for Japanese Occupation Site, Kiska Island" (PDF). National Park Service. Retrieved 2014-10-13.
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