Flotilla 2 (Sasebo) Escort Squadron 2: DDH-182 Ise; DDG-178 Ashigara; DD-102 Harusame; DD-119 Asahi (Sasebo) Escort Squadron 6: DDG-174 Kirishima; DD-110 Takanami; DD-111 Onami; DD-116 Teruzuki (Yokosuka) Escort Flotilla 3 (Maizuru) Escort Squadron 3: DDH-181 Hyūga; DDG-175 Myōkō; DDG-177 Atago; DD-118 Fuyuzuki (Maizuru) Escort Squadron 7: DD-103 Yudachi; DD-112 Makinami; DD-114 Suzunami; DD-120 Shiranui (Ominato) Escort Flotilla 4 (Kure) Escort Squadron 4: DDH-184 Kaga; DD-105 Inazuma; DD-106 Samidare; DD-113 Sazanami (Kure) Escort Squadron 8: DDG-180 Haguro; DDG-176 Chōkai; DD-104 Kirisame; DD-117 Suzutsuki (Sasebo) Naval District Forces: 11th Escort Squadron: DD-152 Yamagiri; DD-153 Yūgiri; DD-154 Amagiri (Yokosuka) 12th Escort Squadron: DD-158 Umigiri; DE-229 Abukuma; DE-234 Tone (Kure) 13th Escort Squadron: DD-157 Sawagiri; DE-230 Jintsū; FFM-3 Noshiro (Sasebo) 14th Escort Squadron: DD-151 Asagiri; DE-232 Sendai; DD-156 Setogiri (Maizuru) 15th Escort Squadron: DD-155 Hamagiri; DE-231 Ōyodo; DE-233 Chikuma (Ominato) 1st Replenishment-at-Sea Squadron (Yokosuka): AOE-422 Towada (Kure); AOE-423 Tokiwa (Yokosuka); AOE-424 Hamana (Sasebo); AOE-425 Mashu (Mashu-class) (Maizuru); AOE-426 Omi (Mashu-class) (Sasebo) 1st Training Support Squadron: ATS-4202 Kurobe; ATS-4203 Tenryu; (Kure) Fleet Training Command (Yokosuka) Fleet Air Force Fleet Air Wing 1 (P-3C UH-60J) Fleet Air Wing 2 (P-3C UH-60J) Fleet Air Wing 4 (P-3C UH-60J) Fleet Air Wing 5 (P-3C UH-60J) Fleet Air Wing 21 (SH-60J/K) Fleet Air Wing 22 (SH-60J) Fleet Air Wing 31 (US-1A US-2 EP-3 OP-3C UP-3D LC-90 U-36A) Fleet Squadron 51 (P-1, P-3C UP-3C/D OP-3 SH-60J/K OH-6DA) Fleet Squadron 61 (C-130R LC-90) Mine Countermeasures Helicopter Squadron 111 (MCH-101) Fleet Submarine Force (Yokosuka) Submarine Flotilla 1 (Kure) Flotilla HQ: ASR-403 Chihaya Submarine Squadron 1: SS-507 Jinryū; SS-510 Shōryū; SS-593 Makishio; SS-594 Isoshio Submarine Squadron 3: SS-504 Kenryū; SS-511 Ōryū; SS-596 Kuroshio; SS-600 Mochishio Submarine Squadron 5: SS-501 Sōryū; SS-502 Unryū; SS-503 Hakuryū; SS-508 Sekiryū Kure Submarine Base Support Squadron Submarine Flotilla 2 (Yokosuka) Flotilla HQ: ASR-404 Chiyoda Submarine Squadron 2: SS-592 Uzushio; SS-595 Narushio; SS-597 Takashio Submarine Squadron 4: SS-505 Zuiryū; SS-598 Yaeshio; SS-599 Setoshio Submarine Squadron 6: SS-506 Kokuryū; SS-509 Seiryū; SS-512 Tōryū Yokosuka Submarine Base Support Squadron 1st Submarine Training Squadron (Kure): TSS-3608 Oyashio; TSS-3609 Michishio Submarine Training Command (Kure) Yokosuka Submarine Training Detachment Mine Warfare Force (Yokosuka) Minesweeper Squadron 1 (Yokosuka): MST-463 Uraga (Uraga class mine warfare command ship); MSO-304 Awaji (Awaji-class minesweeper); MSO-305 Hirado (Awaji-class minesweeper); MSC-606 Hatsushima (Enoshima-class minesweeper) Minesweeper Squadron 2 (Sasebo): MSC-601 Hirashima; MSC-602 Yakushima; MSC-603 Takashima (all three Hirashima-class minesweepers) Minesweeper Squadron 3 (Kure): MST-464 Bungo (Uraga class mine warfare command ship); MSC-688