Many people think that Japan was finished after Midway and with hindsight that was true however the fact remains that their naval force was comprehensive as the numbers below confirm. I have only included 3 fleets here. Read the link for the rest. From: http://pacific.valka.cz/forces/ijn/1941.htm Imperial Japanese Navy Battle Order - 1941 Combined Fleet Adm Isoroku Jamamoto Fleet Headquarters & Fleet Direct Units Adm Isoroku Jamamoto BB BatDiv1 (Adm Isoroku Jamamoto): Mucu, Nagato, Jamato AV CarDiv11 (RAdm Ruitaro Fudzita): Mizuho, Cijoda, Citose CL CruDiv9 (RAdm Fukudzi Kishi): Kitakami, Oi CX CruDiv(Aux)24 (RAdm M. Takeda): Hokoku Maru, Aikoko Maru, Kijoshima Maru SubRon4 RAdm Sezuco Joshitomi CL Kinu/SF SS SubDiv18 (Cap M. Kidzima): I-53, I-54, I-55 SubDiv19 (Cap S. Ohta): I-56, I-57, I-58 SubDiv21 (Cap E. Iwagami): RO-33, RO-34 AS Nagoja Maru SubRon5 RAdm Tadashige Daigo CL Jura/SF SS SubDiv28 (Cap Jukio Kato): I-59, I-60 SubDiv29 (Cap T. Tomaki): I-62, I-63 SubDiv30 (Cap M. Teraoka): I-65, I-66 AS Rio de Janeiro Maru Supply & Support Unit AF Banshu Maru #3, Hakurei Maru, Kitagami Maru, Kosei Maru, Muroto, Sendai Maru, Suruga Maru, Tenjo Maru #2 AFK Irako Maru, Mamija AP Azumasan Maru, Hinoda Maru, Hokuriku Maru, Kogjo Maru, Konai Maru, Nankai Maru, Nicii Maru, Niciro Maru, Ogami Maru, Okicu Maru, Shikano Maru AO Erimo, Gojo Maru, Hishi Maru, Hishi Maru #2, Kenjo Maru, Kirishima Maru, Kokujo Maru, Korju Maru, Kurashio Maru, Kjoei Maru, Kjoei Maru #2, Kjokuto Maru, Macumato Maru, Naruto, Nichei Maru, Nippon Maru, San Clemente Maru, Shinkoku Maru, Shirija Maru, Sojo Maru, Teijo Maru, Toei Maru, Toho Maru, Tsururni Maru, Jodogawa Maru AH Asahi Maru, Tukasago Maru, Akashi, Asashi AG Settsu 1st Fleet VAdm Shiro Takasu BB BatDiv2 (VAdm Shiro Takasu): Sect1: Hijuga/FltF,DF, Ise Sect2: Fuso, Jamashiro BatDiv3 (VAdm Gunici Mikawa): Sect1: Haruna, Kongo Sect2: Hiei/DF, Kirishima CA CruDiv6 (RAdm Aritomo Goto): Aoba, Furutaka, Kako, Kinugasa AV Shinsho Maru CarDiv3 RAdm T. Kuwabara CV Hosho/F, Zuiho DD Mikazuki, Jukaze DesRon1 RAdm Sentaro Omori CL Abukuma/SF DD DesDiv6 (Cap S. Narita): Akacuki, Hibiki, Ikazuci, Inazuma DesDiv17 (Cap K. Sugiura): Isokaze, Urakaze, Hamakaze, Tanikaze DesDiv21 (Cdr T. Shimizu): Hacuharu, Hacushimo, Nenohi, Wakaba DesDiv27 (Cap M. Joshimura): Ariake, Jugure, Shiracuju, Shigure DesRon3 RAdm Sentaro Hashimoto CL Sendai/SF DD DesDiv11: (Cap K. Shoji): Fubuki, Hacujuki, Shirajuki DesDiv12 (Cap Nobuki Ogawa): Shirakumo/DF, Murakumo, Shinonome, Usugumo (under repairs in Maizuru) DesDiv19: (Cap R. Ohe): Isonami, Uranami, Ajanami, Shikinami DesDiv20: (Cap J. Jamada): Asagiri, Jugiri, Amagiri, Sagiri 2nd Fleet VAdm Nobutake Kondo CA CruDiv4 (VAdm Nobutake Kondo): Takao/FltF,F, Atago, Cokai, Maja CruDiv5 (RAdm Takeo Takagi): Haguro, Mjoko, Naci CruDiv7 (RAdm Takeo Kurita): Kumano/DF, Mikuma, Mogami, Suzuja CruDiv8 (RAdm Hiroaki Abe): Tone/DF, Cikuma AGP Kamikaze Maru DesRon2 RAdm RAizo Tanaka CL Dzincu/SF DD DesDiv8 (Cap T. Abe): Asashio, Oshio, Micishio, Arashio DesDiv15 (Cap T. Sato): Kuroshio, Ojashio, Nacushio, Hajashio DesDiv16 (Cap S. Shibuja): Hacukaze, Jukikaze, Amacukaze, Tokicukaze DesDiv18 (Cap J. Mijasaka): Arare, Kasumi, Kagero, Shiranui DesRon4 RAdm T. Nishimura CL Naka/SF DD DesDiv2 (Cap. M. Tacibana): Murasame, Judaci, Samidare, Harusame DesDiv4 (Cap K. Aruga): Maikaze, Nowaki, Arashi, Hagikaze DesDiv9 (Cdr Jasuo Sato): Nacugumo, Jamagumo, Minegumo, Asagumo DesDiv24 (Cap Jasudzi Hirai): Jamakaze, Kawakaze, Umikaze, Suzukaze