10/01 Sun. Office of Deputy Commander in Chief United States 
           Fleet and Deputy Chief of Naval Operations (Vice Adm. 
           R. S. Edwards) is established.
            United States naval vessel sunk:
             Motor minesweeper YMS-385, by mine, western 
              Caroline Islands area, 
              09 d. 52'N., 139 d. 37'E.
            United States naval vessel damaged:
             Destroyer FORREST (DD-461), by collision, Southern 
              France area, 
              43 d. 20'N., 05 d. 20'E.
             Destroyer BAILEY (DD-492), by strafing, Palau 
              Islands area, Caroline Islands, 
              06 d. 59'N., 134 d. 13'E.
            Japanese naval vessel sunk:
             Coastal minelayer AJIRO, by submarine SNAPPER (SS-
              185), northwest of Bonin Islands, 
              28 d. 11'N., 139 d. 30'E.
10/02 Mon.  United States naval vessels damaged by storm, Palau 
             Islands, Caroline Islands:
             LST 129, LST 278, and LST 661, 
              06 d. 59'N., 134 d. 13'E.
10/03 Tue.  United States naval vessels sunk:
             Submarine SEAWOLF (SS-197), accidentally by United 
              States forces, off Morotai Island, Netherlands 
              East Indies.
             Destroyer escort SHELTON (DE-407), by submarine 
              torpedo Netherlands East Indies area, 
              02 d. 33'N,, 129 d. 18'E.
            Japanese submarine sunk:
             I-364, by destroyer escort SAMUEL S. MILES (DE-
              183), Palau Islands area, Caroline Islands, 
              07 d. 48'N., 133 d. 18'E.
10/06 Fri.  Japanese naval vessels sunk:
             Gunboat  SAGA, by mine, off Hong Kong, 
              22 d. 17'N., 114 d. 10'E.
             Coast defense vessel NO. 21, by submarine SEAHORSE 
              (SS-304), South China Sea, 
              19 d. 17'N, 118 d. 08'E.
10/08 Sun. Land-based aircraft from the Marianas Islands 
           increase tempo of air strikes on Iwo Jima, Volcano 
           Islands.
10/09 Mon. Cruiser and destroyer group (Rear Adm. A. E. Smith) 
           bombards enemy coast defense positions on Marcus 
           Island.
           Carrier RANDOLPH (CV-15) is commissioned at Newport 
           News, Va.
10/10 Tue. Aircraft from fast carrier task force (Vice Adm. M. 
           A. Mitscher) composed of 17 carriers, escorted by 5 
           battleships, 14 cruisers, and 58 destroyers bomb 
           Japanese shipping and shore facilities on Okinawa and 
           other islands in the Ryukyus.
            Japanese naval vessels sunk, Ryukyu Islands area:
             Submarine tender JINGEI, by carrier-based aircraft, 
              26 d. 39'N., 127 d. 52'E.
             Transport NO. 158, by carrier-based aircraft, 
              26 d. 38'N., 127 d. 52'E.
10/11 Wed. Aircraft from two carrier task groups (Vice Adm. J. 
           S. McCain and Rear Adm. R. E. Davison) attack 
           airfields and other enemy facilities in northern 
           Luzon, P. I.
            United States naval vessel sunk:
             PT-368, by grounding, western New Guinea area, 
              01 d. 59'N., 127 d. 57'E; 
              sunk by United States forces.
            Japanese naval vessel sunk:
             Transport NO. 105, by submarine TREPANG (SS-412), 
              off Honshu, Japan, 
              33 d. 18'N., 137 d. 42'E.
10/12 Thu. Carrier-based aircraft from Third Fleet (Adm. W. F. 
           Halsey) commence 5-day attack against enemy shipping, 
           airfield facilities, and industrial plants on Formosa 
           and northern Luzon, P. I. These strikes meet with 
           intensive counterattacks by Japanese aircraft.
            United States naval vessel damaged:
             Destroyer PRICHETT (DD-561), accidentally by United 
              States naval gunfire, Formosa area, 
              21 d. 08'N., 123 d. 19'E.
10/13 Fri. Peleliu Island in the Palau Islands is secured.
            United States naval vessels damaged, Luzon, P. I., 
             and Formosa area:
             Carrier  FRANKLIN (CV-13), by suicide plane, 
              22 d. 55'N., 123 d. 12'E.
             Heavy cruiser CANBERRA (CA-70), by aircraft 
              torpedo,
              22 d. 48'N., 123 d. 01'E.
10/14 Sat.  United States naval vessels damaged, Luzon, P. I., 
             and Formosa area:
             Carrier HANCOCK (CV-19), by horizontal bomber, 
              23 d. 30'N., 121 d. 30'E.
             Light cruiser HOUSTON (CL-81), by aircraft torpedo, 
              22 d. 27'N., 124 d. 01'E.
             Light cruiser Reno (CL-96), by suicide plane, 
              22 d. 30'N., 124 d. 50'E.
             Destroyer COWELL (DD-547), by collision, 
              22 d. 27'N., 124 d. 01'E.
             Destroyer CASSIN YOUNG (DD-793), by strafing, 
              22 d. 30'N 124 d. 50'E.
10/15 Sun. Aircraft from carrier task group (Rear Adm. R. E. 
           Davison) bomb targets in the Manila area, Luzon, P. 
           I.
           Coast Guard Cutter EASTWIND (AG-279), captures German
           trawler, EXTERNSTEINE, off the northeast coast of 
           Greenland.
           Command designated Minecraft, Pacific Fleet (Rear 
           Adm. A. Sharp), is established.
            United States naval vessel damaged:
             Carrier FRANKLIN (CV-13), by horizontal bomber, 
              Philippine Islands area, 
              16 d. 29'N., 123 d. 57'E.
10/16 Mon.  United States naval vessel damaged:
             Light cruiser HOUSTON (CL-81), by aircraft torpedo, 
              off Luzon, P. I., 
              20 d. 54'N., 125 d. 09'E.
            Japanese naval vessel sunk:
             Torpedo boat HATO, by Army aircraft, East China 
              Sea,
              21 d. 49'N., 115 d. 50'E.
10/17 Tue. Aircraft from carrier task group (Rear Adm. R. E. 
           Davison bomb Japanese airfields on Luzon, P. I.
           Army troops are landed on Suluan and Dinagat Islands 
           at the entrance to Leyte Gulf, P. I.
           Submarine Narwhal (SS-167) lands supplies on 
           northeast coast of Tawi Tawi, P. I.
            United States naval vessel sunk:
             Motor minesweeper YMS-70, by storm, off Leyte, P. 
              I. 
              10 d. 56'N., 125 d. 12'E.
            United States naval vessel damaged:
             Minelayer MONTGOMERY (DM-17), by mine, east of 
              Palau Islands, Caroline Islands, 
               10 d. 56'N., 125 d. 12'E.
10/18 Wed. Aircraft from three task groups of the Third Fleet 
           (Adm. W. F. Halsey), including 13 carriers, attack 
           Japanese installations and shipping in northern Luzon 
           and the Manila area, P. I.
           Cruiser task group (Rear Adm. J. B. Oldendorf) 
           bombards enemy shore installations on Leyte, P. I.
           Army troops land on Homonhon Island at the entrance 
           to Leyte Gulf, P. I.
           United States Naval Advanced Base, Le Havre, France, 
           is established.
            United States naval vessel damaged:
             High-speed transport GOLDSBOROUGH (APD-32), by 
              coastal defense gun, Leyte Gulf area, 
              10 d. 57'N., 125 d. 02'E.
             LST 906, by grounding, off Leghorn, Italy.
            Japanese naval vessels sunk:
             Auxiliary submarine chaser NO. 95, by carrier-based 
              aircraft, Luzon area, P. I., 
              18 d. 54'N., 121 d. 51'E.
             Transports NOs. 135 and 136, by carrier-based 
              aircraft, Luzon area P. I., 
              17 d. 46'N., 120 d. 25'E.
10/19 Thu. Submarine NARWHAL (SS-167) lands men and supplies on 
           southwest coast of Negros, P. I.
            United States naval vessels damaged, Leyte area, P. 
             I.:
             Escort carrier SANGAMON (CVE-16), by horizontal 
              bomber,
              10 d. 46'N., 126 d. 23'E.
             Destroyer ROSS (DD-563), by mine, 
              10 d. 17'N., 125 d. 40'E.
             Destroyer AULICK (DD-569), by coastal defense gun, 
              11 d. 13'N., 125 d. 02'E.
             Salvage vessel PRESERVER (ARS-8), by horizontal 
              bomber,
              10 d. 50'N., 125 d. 25'E.
10/20 Fri. Army forces land on Leyte, P. I., supported by naval 
           gunfire and carrier-based aircraft. The overall 
           commander is Gen. Douglas MacArthur, the naval 
           commander is Vice Adm. T. C. Kinkaid, and the ground 
           troops are commanded by Lt. Gen. W. Krueger.
           Naval Operating Base, Guam, Marianas Islands, is 
           established.
            United States naval vessels damaged, Leyte area, P. 
             I.:
             Light cruiser HONOLULU (CL-48), by aircraft 
              torpedo, 
              11 d. 01'N., 125 d. 07'E.
             Destroyer BENNION (DD-662), by coastal defense gun, 
              10 d. 50'N., 125 d. 25'E.
             LST 452, by coastal defense gun, 
              11 d. 10'N., 125 d. 01'E.
10/21 Sat. Carrier-based aircraft (Rear Adm. G. F. Bogan) attack 
           Panay, Cebu, Negros, and Masbate, P. I.
            United States naval vessels damaged, Leyte area, P. 
             I.:
             Transport WARHAWK (AP-168), by collision, 
              10 d. 57'N., 125 d. 02'E.
             LST 269, LST 483, LST 486, and LST 704, by coastal 
              mortars,
              10 d. 50'N., 125 d. 25'E.
10/22 Sun.  Japanese naval vessel sunk:
             Auxiliary submarine chaser NO. 5, by carrier-based 
              aircraft, Leyte area, P. I., 
              12 d. 55'N., 121 d. 35'E.
10/23 Mon. Battle for Leyte Gulf (13-16 October) opens as United 
           States submarines off Palawan Island sight and attack 
           the Center Force of three Japanese naval groups 
           moving on Leyte in a major effort to drive United 
           States forces from the Philippines. Two enemy 
           cruisers are sunk.
           Submarine NAUTILUS (SS-168) lands men and supplies on 
           east coast of Luzon, P. I. (Operation continues on 24 
           and 25 October)
            Japanese naval vessels sunk, off Palawan, P. I.:
             Heavy cruiser MAYA, by submarine DACE (SS-247), 
              09 d. 11'N., 117 d. 07'E.
             Heavy cruiser ATAGO, by submarine DARTER (SS-227), 
              09 d. 28'N., 117 d. 17'E.
10/24 Tue. Battle for Leyte Gulf (23-26 October) continues. 
           Carrier-based aircraft (Vice Adm. M. A. Mitscher) 
           locate and heavily attack the Japanese Center Force 
           south of Mindoro in the Sibuyan Sea, and the Southern 
           Force steaming through the Sulu Sea,   Enemy aircraft 
           counterattack United States forces. During the night,
           the United States fast carriers move north from San 
           Bernardino Strait to be in a position for dawn 
           strikes against the enemy Northern Force. The 
           Japanese Center Force moves through San Bernardino 
           Strait and south toward Leyte Gulf.
            United States naval vessels sunk:
             Light carrier PRINCETON (CVL-23), damaged by dive 
              bomber, Battle for Leyte Gulf, 
              15 d. 12'N., 123 d. 36'E.; 
              sunk by United States forces.
             Submarine DARTER (SS-117), damaged by grounding, 
              Bombay Shoal, Palawan Passage, P. I.; destroyed by 
              United States  forces.
             Submarine TANG (SS-306), by circular run of her own 
              torpedo, north of Formosa.
             Ocean tug  SONOMA (ATO-12), by suicide plane, 
              Battle for Leyte Gulf, 
              10 d. 57'N., 125 d. 02'E.
            United States naval vessels damaged, Battle for 
             Leyte Gulf:
             Light cruiser BIRMINGHAM (CL-62) and destroyers 
              MORRISON (DD-560), GATLING (DD-671), and IRWIN 
              (DD-794), by rolling against PRINCETON (CVL-23) 
              while alongside, and by fragments from her 
              exploding magazines.
             Destroyer LEUTZE (DD-481), by horizontal bomber, 
              10 d. 50'N., 125 d. 25'E.
             Destroyer ALBERT W. GRANT (DD-649), by naval 
              gunfire, 
              10 d. 27'N., 125 d. 25'E.
             Oiler ASHTABULA (A0-51), by aircraft torpedo, 
              11 d. 03'N., 125 d. 22'E.
             LST 552, by horizontal bomber, 
              11 d. 11'N., 125 d. 05'E.
             LST 695, by underwater explosion, 
              08 d. 31'N., 128 d. 34'E.
            Japanese naval vessels sunk, Battle for Leyte Gulf:
             Battleship MUSASHI, by carrier-based aircraft, 
              Sibuyan Sea,
              12 d. 50'N., 122 d. 35'E.
             Destroyer WAKAHA, by  carrier-based aircraft, 
              11 d. 50'N., 121 d. 25'E.
             Submarine I-362, by destroyer escort RICHARD M. 
              ROWELL (DD-403), 
              09 d. 45'N., 126 d. 45'E.
10/25 Wed. Battle for Leyte Gulf (13-16 October) continues. 
           Japanese Southern Force enters Surigao Strait where 
           it is engaged and virtually destroyed  by Rear Adm. 
           J. B. Oldendorf's force of battleships, cruisers, 
           destroyers, and motor torpedo boats (Battle of 
           Surigao Strait). Meanwhile, the Japanese Center
           Force, including 4 battleships and 5 cruisers, having 
           passed into the Philippine Sea during the night, 
           attacks 6 escort carriers and screening vessels 
           commanded by Rear Adm. C. A. F. Sprague (Battle off 
           Samar). After inflicting severe damage on this light 
           United States force, the enemy Center Force retires
           without molesting the landing operations in the Leyte 
           Gulf area. At the same time, carrier aircraft from 
           Third Fleet (Adm. W. F. Halsey) locate and strike the 
           Japanese Northern Force. Four Japanese carriers and 
           other vessels are sunk (Battle off Gape Engano).
           Submarine NAUTILUS (SS-168) lands men and supplies on 
           east coast of Luzon, P. I.
           Untied States and Great Britain resume diplomatic 
           relations with Italy.
            United States naval vessels sunk, Battle for Leyte 
             Gulf:
             Escort carrier ST. LO (CVE-63), by suicide plane, 
              11 d. 10'N., 126 d. 05'E.
             Escort carrier GAMBIER BAY (CVE-73), by naval 
              gunfire,
              11 d. 31'N., 125 d. 12'E.
             Destroyer HOEL (DD-533), by naval gunfire, 
              11 d. 46'N,, 126 d. 33'E.
             Destroyer JOHNSTON (DD-557), by naval gunfire, 
              11 d. 40'N., 126 d. 20'E.
             Destroyer escort SAMUEL B. ROBERTS (DE-413), by 
              naval gunfire, 
              11 d. 40'N., 126 d. 20'E.
             PT-493, by coastal defense gun, 
              10 d. 15'N., 125 d. 23'E.
            United States naval vessels damaged, Battle for 
             Leyte Gulf:
             Escort carrier SANGAMON (CVE-26), by suicide plane, 
              09 d. 45'N., 126 d. 42'E.
             Escort carrier SUWANEE (CVE-27), by suicide plane, 
              09 d. 45'N., 126 d. 42'E.
             Escort carrier SANTEE (CVE-29) by suicide plane and 
              submarine torpedo, 
              09 d. 45'N., 126 d. 42'E.
             Escort carrier  WHITE PLAINS (CVE-66), by suicide 
              planes and naval gunfire, 
              11 d. 40'N., 126 d. 20'E.
             Escort carrier KALININ BAY (CVE-68), by suicide 
              plane,
              11 d. 10'N., 126 d. 20'E., 
              and naval gunfire, 
              11 d. 40'N., 126 d. 20'E.
             Escort carrier FANSHAW BAY (CVE-70), by naval 
              gunfire,
              11 d. 40'N., 126 d. 20'E.
             Escort carrier KITKUN BAY (CVE-71), by suicide 
              plane,
              11 d. 10'N., 126 d. 20'E.
             Destroyer HEERMAN (DD-523), by naval gunfire, 
              11 d. 30'N., 126 d. 15'E.
             Destroyer escort RICHARD M. ROWELL (DE-403), by 
              strafing,
              10 d. 05'N., 127 d. 10 E.
             Destroyer escort DENNIS (DE-405), by naval gunfire, 
              11 d. 40'N., 126 d. 20'E.
            Japanese naval vessels sunk, Battle for Leyte Gulf:
             Carrier ZUIKAKU, by carrier-based aircraft, 
              19 d. 20'N., 125 d. 51'E.
             Light carrier CHITOSE, by carrier-based aircraft 
              and surface craft, 
              19 d. 20'N., 126 20'E.
             Light carrier CHIYODA, by carrier-based aircraft, 
              18 d. 37'N., 126 d. 45'E.
             Light carrier ZUIHO, by carrier-based aircraft, 
              19 d. 20'N., 125 d. 51'E.
             Battleships FUSO and YAMASHIRO, by surface craft, 
              10 d. 25'N., 125 d. 20'E.
             Heavy cruisers CHIKUMA, CHOKAI and SUZUYA, by 
              carrier-based aircraft, 
              11 d. 30'N., 126 d. 30'E,
             Heavy cruiser MOGAMI, by carrier-based aircraft and 
              surface craft, 
              09 d. 40'N., 124 d. 50'E.
             Light cruiser TAMA, by carrier-based aircraft and 
              submarine JALLAO (SS-368), 
              21 d. 23'N., 127 d. 19'E.
             Destroyers ASAGUMO, MICHISHIO and YAMAGUMO, by 
              surface craft, 
              10 d. 25'N., 125 d. 20'E.
             Destroyer AKIZUKI, by submarine HALIBUT (SS-232), 
              20 d. 29'N., 126 d. 36'E.
             Destroyer HATSUZUKI, by surface craft, 
              20 d. 24'N., 126 d. 20'E.
10/26 Thu. Battle for Leyte Gulf (23-26 October) ends as 
           carrier-based and Army aircraft bomb the retiring 
           Japanese ships which have survived  the previous 
           days' action.
            United States naval vessels damaged, Battle for 
             Leyte Gulf.
             Escort carrier SUWANNEE (CVE-27), by dive bomber 
              and suicide plane, 
              09 d. 37'N., 126 d. 53'E.
             PT-131, by dive bomber, 
              09 d. 00'N., 125 d. 00'E.
            Japanese naval vessels sunk, Battle for Leyte Gulf:
             Light cruiser ABUKUMA, by surface craft, 
              09 d. 20'N., 122 d. 32'E.
            Light cruiser KINU, by carrier-based aircraft, 
             11 d. 46'N., 123 d. 11'E.
            Light cruiser NOSHIRO, by carrier-based aircraft, 
             11 d. 35'N. 121 d. 45'E.
            Destroyer HAYASHIMO, by carrier-based aircraft, 
             19 d. 05'N.,  121 d. 50'E.
            Destroyer NOWAKI, by surface craft, 
             13 d. 00'N., 124 d. 54'E.
            Destroyer URANAMI, by carrier-based aircraft, 
             11 d. 50'N., 123 d. 00'E.
10/27 Fri. Aircraft from two carrier task groups (Rear Adm. F. 
           C. Sherman and Rear Adm. R. E. Davison) attack enemy 
           ships and installations in the Visayas and northern 
           Luzon area, P. I.
           Submarine NAUTILUS (SS-168) lands men and supplies on
           east coast of Luzon, P. I.
            United States naval vessels damaged, Leyte area, P. 
             I.:
             Battleship CALIFORNIA (BB-44), by strafing, 
              16 d. 57'N., 125 d. 02'E.
             Submarine chaser PCER-848, by horizontal bomber, 
              11 d. 11'N., 125 d. 05'E.
             PT-523, by dive bomber, 
              11 d. 15'N., 124 d. 59'E.
            Japanese naval vessels sunk:
             Destroyers FUJINAMI and SHIRANUI, by carrier-based 
              aircraft Luzon area, P. I., 
              12 d. 00'N., 122 d. 30'E.
             Transport No. 138, by submarine KINGFISH (SS-234), 
              Volcano Islands area, 
              25 d. 22'N., 141 d. 31'E.
10/28 Sat. Aircraft from carrier task group (Rear Adm. R. E. 
           Davison) bomb Japanese shipping near Cebu, P. I.
            United States naval vessel sunk:
             Destroyer escort EVERSOLE (DE-404), by submarine 
              torpedo, Leyte area, P. I., 
              10 d. 18'N., 127 d. 37'E.
            United States naval vessel damaged:
             Light cruiser DENVER (CL-58), by suicide plane, 
              Leyte area P. I., 
              10 d. 57'N., 125 d. 02'E.
            Japanese submarines sunk, Leyte area, P. I.:
             I-45, by destroyer escort WHITEHURST (DE-634), 
              10 d. 10'N., 127 d. 28'E.
             I-54, by destroyers GRIDLEY (DD-380) and HELM (DD-
              388),
              10 d. 56'N., 127 d. 13'E.
10/29 Sun. Aircraft from carrier task group (Rear Adm. G. F. 
           Bogan) strike enemy airfields and shipping in the 
           Manila area, P. I.
           Naval Operating Base, Leyte, and Naval Air Station, 
           Samar, P. I., are established.
            United States naval vessel damaged:
             Carrier INTREPID (CV-11), by suicide plane, Leyte 
              area,
              15 d. 07'N., 124 d. 01'E.
10/30 Mon.  United States naval vessels damaged, Leyte area, P. 
            I.:
             Carrier  FRANKLIN (CV-13), by suicide plane, 
              10 d. 20'N., 126 d. 40'E.
             Light carrier BELLEAU WOOD (CVL-24), by suicide 
              plant
              10 d. 20'N., 126 d. 40'E.
10/31 Tue.  Japanese naval vessel sunk:
             District craft KAIYO NO. 6, by submarine GABILAN 
              (SS-252) off Shikoku, Japan, 
              32 d. 50  N., 134 d. 21'E.