Kishi in Kitakami) 9th Cruiser Division (Rear Adm. Kishi): CL (Capt. Saiji Norimitsu) CL (Capt. Moichi Narita) 20th Destroyer Division (Capt. Yuji Yamada): 4 s: (Lt. Cmdr. Nisaburo Maekawa) (Cmdr. Masayoshi Motokura) (Cmdr. Toyoji Hitomi) (Capt. Buichi Ashida) 24th Destroyer Division (Capt. Yasuji Hirai): 4 s: (Cmdr. Nagahide Sugitani) (Lt. Cmdr. Shuichi Hamanaka) (Lt. Cmdr. Kazuo Wakabayashi) (Lt. Cmdr. Kazuo Shibayama) 27th Destroyer Division (Capt. Matake Yoshimura): 2 s: (Lt. Cmdr. Shoichi Yoshida) (Lt. Cmdr. Kiyoshi Kamo) 2 s: (Cmdr. Noboru Seo) (Lt. Cmdr. Kanematsu Hashimoto) Supply Group (Capt. Matsuo Eguchi): AO San Clemente Maru (Capt. Eguchi) AO Toa Maru (Capt. Yataro Yokohama) Attu Invasion Force (Rear Adm. Sentaro Omori in Abukuma): CL (Capt. Seiroku Murayama) 21st Destroyer Division (Capt. Toshio Shimizu): 4 s: (Lt. Cmdr. Masakichi Kuroki) (Lt. Cmdr. Saburo Terauchi) (Lt. Cmdr. Hiroshi Makino) (Lt. Cmdr. Satoru Kohama)Magane Maru Minelayer (Capt. Heiji Sasaki) AP Kinugasa Maru (Capt. Naoshi Arima carrying 1200 army troops under Major Matsutoshi Hozumi) Kiska Invasion Force (Capt. Takeji Ono in Kiso): 21st Cruiser Division (Capt. Ono) CL (Capt. Ono) CL (Capt. Masaharu Kawabata)Asaka Maru (Auxiliary Cruiser) (Capt. Jiro Ban)Awata Maru (Auxiliary Cruiser) (Capt. Kikuta Maki) Screening Force 6th Destroyer Division (Capt. Yusuke Tamada): 2 s: (Lt. Cmdr. Hagumu Ishii) (Lt. Cmdr. Osamu Takasuka) (Lt. Cmdr. Tomo Tanaka) 13th Minesweeper Division (Capt. Toshio Mitsuka):Hakuhō MaruKaihō MaruShunkotsu MaruTransports:Hakusan Maru (Capt. Hareyoshi Goto) carrying 550 troops under Lt. Cmdr. Hifumi MukaiKumagawa Maru (Capt. Shiro Yoshida) carrying 700 labor troops with construction equipment Submarine Detachment 1st Submarine Squadron (Rear Adm. Shigeaki Yamakazi): (Cmdr. Akiyoshi Fujii) 2nd Submarine Division (Capt. Hiroshi Imazato): (Cmdr. Nobuo Ishikawa) (Cmdr. Kozo Nishino) (Cmdr. Shogo Narahara) 4th Submarine Division (Capt. Mitsuru Nagai): (Cmdr. Akiji Tagami) (Cmdr. Minoru Yokota) Aleutian Seaplane Tender Force (Capt. Keiichi Ujuku): AV Kimikawa Maru (Capt. Ujuku) Air Unit: 8 3-seat floatplanes (Lt. Yoji Tanegashima) United States The US Pacific Fleet and Pacific Ocean Areas were under the overall command of Admiral Chester Nimitz. Carrier Strike Force Task Force 17 (Rear Adm. Frank J. Fletcher in Yorktown) Task Group 17.5 (Carrier Group): (sunk) (Captain Elliott Buckmaster)Yorktown Air Group (Including elements from the sidelined Air Group) (Lieutenant Commander Oscar Pederson): 25 Grumman F4F-4 Wildcat fighters (VF-3 – Lt. Cmdr. John S. Thach) 18 Douglas SBD-3 Dauntless dive bombers (VB-3 – Lt. Cmdr. Maxwell F. Leslie) 19 Douglas SBD-3 Dauntless dive bombers (VS-5 – Lt. Wallace C. Short, Jr.) 13 Douglas TBD-1 Devastator