(Capt. Torao Honda) Advance (Submarine) Force (Sixth Fleet) (Vice Adm. Teruhisa Komatsu in at Kwajalein): CL Katori (Capt. Noboru Owada) 3rd Submarine Squadron (Rear Adm. Chimaki Kona in Rio de Janeiro Maru at Kwajalein): 19th Submarine Division (Capt. Ryojiro Ono): (Lt. Cmdr. Katsuo Ohashi) (Lt. Cmdr. Sakae Nakajima) (Lt. Cmdr. Soshichi Kitamura) (Lt. Cmdr. Tamori Yoshimatsu) 13th Submarine Division (Capt. Takeji Miyazaki): (Lt. Cmdr. Yasuo Fujimori) (Lt. Cmdr. Sadatoshi Norita) (Lt. Cmdr. Toshitake Ueno) 30th Submarine Division (Capt. Maseo Teraoka): (Lt. Cmdr. Takakazu Kinashi) (Lt. Cmdr. Hakue Jarada) (Lt. Cmdr. Makio Tanaka) Shore-based Air Force Eleventh Air Fleet (Vice Admiral Nishizo Tsukahara at Tinian) Midway Expeditionary Force (Capt. Chisato Morita): 36 Mitsubishi A6M Zero fighters (Lt. Tadashi Kaneko) 10 Mitsubishi G4M 'Betty' level bombers at Wake Island 6 flying boats at Jaluit 24th Air Flotilla (Rear Adm. Minoru Maeda) Chitose Air Group at Kwajalein (Capt. Fujiro Ohashi): 36 Mitsubishi A6M Zero fighters 36 Nakajima B5N2 'Kate' torpedo bombers 1st Air Group at Aur and Wotje (Capt. Samaji Inoue): 36 Mitsubishi A6M Zero fighters 36 Nakajima B5N2 'Kate' torpedo bombers 14th Air Group (Capt. Daizo Nakajima): 36 Kawanishi H6K 'Mavis' flying boats at Jaluit and Wotje Northern Area Force Fifth Fleet Main Body (Vice Adm. Boshirō Hosogaya in Nachi): heavy cruiser (Capt. Takahiko Kiyota) 2 s: (Lt. Cmdr. Hajime Takeuchi) (Lt. Cmdr. Shunsaku Kudo) Supply Group: AO Fujisan Maru (Capt. Kikuta Maki) AO Nissan Maru (Capt. Hachiro Naotsuka) AC Muroto (Capt. Masaji Yamagata) AP Akashisan Maru (Capt. Yoshio Hosoya) AF Tōkō Maru No. 2 GoSecond Carrier Striking Force (Rear Adm. Kakuji Kakuta in Ryujo) 4th Carrier Division (Rear Adm. Kakuta): CVL (Capt. Tadeo Kato) Air Unit (Lt. Masayuki Yamagami): 16 Mitsubishi A6M2 Type 21 'Zeke' fighters (Lt. Minoru Kobayashi) 21 Nakajima B5N2 'Kate' torpedo bombers (Lt. Yamagami) CV (Capt. Shizue Isii) Air Unit (Lt. Yoshio Shiga): 24 Mitsubishi A6M Zero Type 21 'Zeke' fighters (Lt. Shiga) 15 Aichi D3A1 'Val' dive bombers (Lt. Zenji Abe) 4th Cruiser Division, 2nd Section (Capt. Shunsaku Nabeshima in Maya): 2 heavy cruisers: (Capt. Bunji Asakura) (Capt. Nabeshima) 7th Destroyer Division (Capt. Kaname Konishi): 3 s: (Lt. Cmdr. Minoru Nakagawa) (Lt. Cmdr. Yoshitake Uesugi) (Lt. Cmdr. Hiroshi Uwai) AO Teiyo Maru (Capt. Katasuke Tanaka) Aleutian Support Force (Vice Adm. Shiro Takasu in Hyūga) 2nd Battleship Division (Vice Adm. Takasu): (Capt. Chozaemon Obata) (Capt. Chiaki Matsuda) (Capt. Isamu Takeda) (Capt. Gunji Kogure) Screening Force (Rear Adm. Fukuji