Organization of the Imperial Japanese Navy Alaskan Strike Group
Organization of Japanese Alaskan Strike Group (Aleutians)
Japanese Navy units in the Alaskan Operation
Commander in Chief, Navy Alaskan Strike Group
- Boshiro Hosogaya:-Commander-in-Chief, Navy Alaskan Strike Group, Aleutian Campaign
1st Support Group Commander
- Boshiro Hosogaya:-command Heavy Cruiser Nachi and two destroyers
2nd Carrier Squad Commander
- Kakuji Kakuda:-Lead, Escort Carriers Ryujo (37 aircraft) (among its fighter pilots aboard were Tadayuki Koga), and Junyo (45 aircraft). Both Carriers were equipped with Mitsubishi A6M2 "Zero" fighters, Aichi D3A1 "Val" Dive-bombers and Nakajima B5N2 "Kate" Torpedo-bombers.
3rd Cruiser Division (2° Section)
Navy Aleutian Occupation force
Attu Group Commander
- Sentaro Omori:-led Light Cruiser Abukuma, four destroyers, one minelayer, one transport (1,200 soldiers)
Kiska Group Commander
- Takeo Ono:-Guiding the light cruisers Kiso, Tama, one auxiliary cruiser (Asaka Maru), three destroyers, two minelayers, two transports (1,250 soldiers)
Navy Hidro Fighter unit in Aleutian Operation
- 5th Air Fleet:-equipped with Nakajima A6M2-N "Rufe" floatplane fighters, support operations from Kiska aquatic base, Aleutian islands.
Japanese Army Units in the Alaskan Operation
North Seas Detachment Commanders
- Matsutoshi Hozumi:-He led one infantry battalion whose mission was to occupy the islands of Attu, Kiska, and Adak, in conjunction with naval units.
- Juichiro Mineki:-he replaced at Hozumi in command of unit and receiving command of a reinforced group, grown to three infantry battalions, under Commander-in-Chief of the Fifth Fleet.
Last Japanese Navy Infantry Commander in Alaskan Campaign
- Yasugo Yamazaki:-commander of last Japanese Navy infantry group in Attu Japanese held island
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