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13 November 1939
Singapore
British vessel Sirdhana accidentally hits a British mine off Singapore

RAN destroyers Stuart, Vampire, Vendetta, Voyager, and Waterhen sail for the Mediterranean

17 January 1941
French Indochina
Battle of Koh-Chang: Vichy French naval squadron attacks Thai fleet

Battle of Koh-Chang: Thai torpedo boat Songkla sunk by Vichy French naval squadron

Battle of Koh-Chang: Thai coast defense ship Domburi sunk by Vichy French naval squadron

Battle of Koh-Chang: Thai coast defense ship Ahidea sunk by Vichy French naval squadron

Battle of Koh-Chang: Thai torpedo boat Chonburi sunk by Vichy French naval squadron

Battle of Koh-Chang: Thai torpedo boat Trat sunk by Vichy French naval squadron

4 December 1941
Philippine Islands
US liner President Harrison departs for China to evacuate remaining US Marines

6 May 1942
South China Sea
Japanese vessel Kanan Maru sunk by USN submarine Skipjack off Indochina

8 May 1942
South China Sea
Japanese vessel Bujun Maru sunk by USN submarine Skipjack off Indochina

17 May 1942
South China Sea
Japanese vessel Taizan Maru sunk by USN submarine Skipjack off Siam

26 May 1942
South China Sea
Japanese vessel Asahi sunk by USN submarine Salmon off Indochina

28 May 1942
South China Sea
Japanese vessel Ganges Maru sunk by USN submarine Salmon off Indochina

12 June 1942
South China Sea
Japanese vessel Burma Maru sunk by USN submarine Swordfish

12 July 1942
South China Sea
Japanese vessel Nichizan Maru sunk by USN submarine Seadragon off French Indochina

13 July 1942
South China Sea
Japanese vessel Shinyo Maru sunk by USN submarine Seadragon off French Indochina

16 July 1942
South China Sea
Japanese vessel Hakodate Maru sunk by USN submarine Seadragon off French Indochina

6 August 1942
South China Sea
Japanese vessel Ohio Maru sunk by USN submarine Tautog off French Indochina

5 September 1942
South China Sea
Japanese vessel Kanju Maru sunk by USN submarine Seal off French Indochina

25 September 1942
South China Sea
Japanese vessel Teibo Maru sunk by USN submarine Sargo off French Indochina

14 October 1942
Singapore
IJN submarine I-30, returning from France, sunk by mine

20 October 1942
Gulf of Thailand
USN submarine Gar conducts minelaying operations off Bangkok

29 October 1942
South China Sea
USN submarine Grenadier conducts minelaying operations off Haiphong

1 November 1942
South China Sea
Japanese vessel Biwa Maru sunk by unknown cause

2 November 1942
South China Sea
USN submarine Tautog conducts minelaying operations off French Indochina

11 November 1942
Yellow Sea
Japanese vessel Venice Maru sunk by USN submarine Haddock

22 November 1942
South China Sea
French vessel Khai Dinh sunk by US 10th Air Force aircraft off Haiphong

23 November 1942
French Indochina
US 10th Air Force aircraft attack Japanese shipping off Haiphong

29 November 1942
French Indochina
US 10th Air Force aircraft attack Japanese shipping along the coast

4 February 1943
South China Sea
Japanese vessel Tatsuwa Maru sunk by USN submarine Tunny

8 February 1943
South China Sea
Japanese vessel Kusuyama Maru sunk by USN submarine Tunny

17 April 1943
Pacific Ocean
Japanese vessel No. 2 Nissho Maru sunk by unknown cause off Formosa

4 May 1943
South China Sea
Japanese vessel Naku Maru sunk by USN submarine Gudgeon

7 May 1943
South China Sea
Vichy French vessel Gouverneur General Pasquir sunk by mine off Indochina

2 June 1943
South China Sea
Japanese vessel Eika Maru sunk by USN submarine Tambor

3 July 1943
Yellow Sea
Japanese vessel Anzan Maru sunk by USN submarine Scorpion

Japanese vessel Kokuryu Maru sunk by USN submarine Scorpion

12 July 1943
South China Sea
Japanese vessel Chikuzan Maru sunk by US 14th Air Force aircraft off Haiphong

Japanese vessel Tairyu Maru sunk by US 14th Air Force aircraft off Haiphong

27 August 1943
South China Sea
Japanese vessel Meizan Maru sunk by USN submarine Grayling

9 September 1943
South China Sea
USN submarine Grayling lost

17 September 1943
Singapore
Operation Jaywick: Australian commandos land on Panjang Island in preparation for raid against Japanese shipping

25 September 1943
South China Sea
Japanese vessel Kirishima Maru sunk by USN submarine Bowfin

26 September 1943
Singapore
Operation Jaywick: Australian commandos in canoes attach mines to seven Japanese vessels in the harbor and withdraw

27 September 1943
South China Sea
Japanese vessel Kashima Maru sunk by USN submarine Bonefish

Singapore
Operation Jaywick: Japanese vessel Hakusan Maru sunk by mine placed by Australian commandos

Operation Jaywick: Japanese vessel Kizan Maru sunk by mine placed by Australian commandos

Operation Jaywick: Five Japanese vessels damaged by mines placed by Australian commandos

10 October 1943
South China Sea
Japanese vessel Isuzugawa Maru sunk by USN submarine Bonefish off French Indochina

Japanese vessel Teibi Maru sunk by USN submarine Bonefish off French Indochina

20 October 1943
South China Sea
Japanese vessel Sana Maru sunk by USN submarine Kingfish

25 October 1943
French Indochina
US 14th Air Force aircraft attack Haiphong and Japanese shipping

26 October 1943
French Indochina
US 14th Air Force aircraft attack Haiphong and Japanese shipping

4 November 1943
South China Sea
Japanese vessel Kaifuku Maru sunk by USN submarine Seawolf

8 November 1943
South China Sea
Japanese vessel Kyokuei Maru sunk by USN submarine Bluefish

26 November 1943
South China Sea
Japanese vessel Ogurasan Maru sunk by USN submarine Bowfin

Japanese vessel Tainan Maru sunk by USN submarine Bowfin

27 November 1943
South China Sea
Vichy French vessel Van Vollenhoven sunk by USN submarine Bowfin

13 December 1943
South China Sea
USN submarine Pompon lays mines off Poulo Condore

15 December 1943
South China Sea
Japanese vessel Senko Maru sunk by US 14th Air Force aircraft

17 December 1943
South China Sea
USN submarine Cabrilla lays mines off Saracen Bay, Cambodia

20 December 1943
South China Sea
IJN destroyer Fuyo sunk by USN submarine Puffer

22 December 1943
South China Sea
Japanese vessel Ginrei Maru sunk by US 14th Air Force aircraft

23 December 1943
South China Sea
IJN gunboat Nanyo sunk by US 14th Air Force aircraft

27 December 1943
South China Sea
Japanese vessel Kyuei Maru sunk by USN submarine Flying Fish

3 January 1944
South China Sea
USN submarine Bluefish conducts minelaying operations off Malaya

4 January 1944
South China Sea
Japanese vessel Hakku Maru sunk by USN submarine Bluefish

Japanese vessel No. 8 Tamon Maru sunk by USN submarine Cabrilla

USN submarine Rasher conducts minelaying operations off Indochina

5 January 1944
South China Sea
Japanese vessel Kiyo Maru sunk by USN submarine Rasher

7 January 1944
South China Sea
Vichy French vessel Kai Ping sunk by USAAF aircraft off Indochina

12 January 1944
Thailand
Thai vessel Valaya sunk by mine

14 January 1944
South China Sea
Japanese vessel Gyoei Maru sunk by US 14th Air Force aircraft

15 January 1944
South China Sea
Vichy French vessel Ping Sung sunk by USAAF aircraft off Indochina

USN submarine Crevalle conducts minelaying operations off Indochina

20 January 1944
South China Sea
Japanese vessel Menado Maru sunk by US 14th Air Force aircraft

Japanese vessel Kuzan Maru sunk by US 14th Air Force aircraft

23 January 1944
East China Sea
Japanese vessel Panama Maru sunk by US 14th Air Force aircraft

24 January 1944
East China Sea
Japanese vessel Liu Hsing sunk by US 14th Air Force aircraft

26 January 1944
South China Sea
IJN gunboat Busho Maru sunk by USN submarine Crevalle

5 February 1944
South China Sea
Japanese gunboat Rozan Maru sunk by US 14th Air Force aircraft

Japanese vessel Lushan Maru sunk by US 14th Air Force aircraft

Japanese vessel Seikyo Maru sunk by US 14th Air Force aircraft

12 February 1944
South China Sea
Two Japanese fishing vessels sunk by US 14th Air Force aircraft

13 February 1944
South China Sea
Japanese vessel Shoka Maru sunk by US 14th Air Force aircraft

15 February 1944
South China Sea
Vichy French patrol vessel Ping Sang sunk by US 14th Air Force aircraft

East China Sea
Japanese vessel Ryoka Maru sunk by mine

18 February 1944
East China Sea
Japanese vessel Shinsoku Maru sunk by US 14th Air Force aircraft

19 February 1944
South China Sea
Japanese vessel Taikei Maru sunk by USN submarine Grayback

Japanese vessel Toshin Maru sunk by USN submarine Grayback

Japanese vessel Kokuei Maru sunk by USN submarine Jack

Japanese vessel Nanei Maru sunk by USN submarine Jack

Japanese vessel Nichirin Maru sunk by USN submarine Jack

Japanese vessel Ichiyo Maru sunk by USN submarine Jack

East China Sea
US 14th Air Force aircraft conduct coastal sweeps

Japanese vessel Tairyu Maru sunk by US 14th Air Force aircraft

22 February 1944
South China Sea
USN submarine Ray conducts minelaying operations off Saigon, French Indochina

Vichy French river gunboat Francis Garnier sunk by mine off French Indochina

26 February 1944
French Indochina
French vessel Astrolabe sunk by US 14th Air Force aircraft at Tourane

French vessel Gilmot sunk by US 14th Air Force aircraft at Tourane

4 March 1944
South China Sea
Japanese vessel Ominesan Maru sunk by USN submarine Bluefish

7 March 1944
South China Sea
Japanese vessel Juyo Maru sunk by mine

9 March 1944
South China Sea
Japanese vessel Hokoku Maru sunk by USN submarine Lapon

Japanese vessel Nicherei Maru sunk by USN submarine Lapon

18 March 1944
South China Sea
Japanese vessel Hokoruku Maru sunk by USN submarine Lapon

3 April 1944
French Indochina
US 14th Air Force aircraft attack traffic on the Red River and drop mines off Haiphong

22 April 1944
South China Sea
Japanese vessel Nagata Maru sunk by US 14th Air Force aircraft

Japanese vessel Koryu Maru sunk by US 14th Air Force aircraft

Japanese vessel London Maru sunk by US 14th Air Force aircraft

Japanese vessel No. 3 Sansui Maru sunk by US 14th Air Force aircraft

29 April 1944
South China Sea
Vichy French vessel Song Giang Go severely damaged by USN submarine Flasher and subsequently sinks

30 April 1944
South China Sea
Vichy French gunboat Tahure sunk by USN submarine Flasher

3 May 1944
South China Sea
Japanese vessel Teisen Maru sunk by USN submarine Flasher

Japanese vessel Shingu Maru sunk by US 14th Air Force bombers

4 May 1944
South China Sea
Japanese vessel Kinrei Maru sunk by USN submarine Bang

Japanese vessel Shoryu Maru sunk by USN submarine Parche

Japanese vessel Taiyoku Maru sunk by USN submarine Parche

Japanese vessel Taibu Maru sunk by USN submarine Tinosa

Japanese vessel Toyohi Maru sunk by USN submarine Tinosa

6 May 1944
South China Sea
Japanese vessel Nisshin Maru sunk by USN submarine Crevalle

22 May 1944
South China Sea
Japanese vessel Tsukuba Maru, under tow by gunboat Hashidate, sunk by USN submarine Picuda

IJN gunboat Hashidate sunk by USN submarine Picuda

24 May 1944
South China Sea
Japanese vessel Bizen Maru sunk by USN submarine Lapon

Japanese vessel Wales Maru sunk by USN submarine Lapon

IJN escort vessel Iki sunk by USN submarine Raton

6 June 1944
South China Sea
IJN Coast Defense Vessel No. 15 sunk by USN submarine Raton

8 June 1944
South China Sea
US 10th Air Force conducts minelaying operations off Bangkok

12 June 1944
South China Sea
Japanese vessel Kainan Maru sunk by RN submarine Stoic

15 June 1944
Sea of Japan
Japanese vessel Kanzaki Maru sunk in accident

22 June 1944
South China Sea
Japanese vessel Belgium Maru sunk by USN submarine Flier

27 June 1944
South China Sea
Japanese vessel Medan Maru sunk by USN submarine Seahorse

29 June 1944
South China Sea
Japanese vessel Nippo Maru sunk by USN submarine Flasher

30 June 1944
South China Sea
Japanese vessel Tsurushima Maru sunk by USN submarine Jack

Japanese vessel Matsukawa Maru sunk by USN submarine Jack

Yellow Sea
Japanese vessel Nikkin Maru sunk by USN submarine Tang

4 July 1944
South China Sea
Japanese vessel Gyoyu Maru sunk by USN submarine Seahorse

Japanese vessel No. 28 Kyodo Maru sunk by USN submarine Seahorse

Japanese vessel Nitto Maru sunk by USN submarine Seahorse

7 July 1944
South China Sea
Japanese vessel No. 2 Koto Maru sunk by USN submarine Flasher

IJN destroyer Tamanami sunk by USN submarine Mingo

19 July 1944
South China Sea
IJN light cruiser Oi sunk by USN submarine Flasher

Japanese vessel Teiryu Maru sunk by USN submarine Guardfish

26 July 1944
South China Sea
Japanese vessel Otoriyama Maru sunk by USN submarine Flasher

Japanese vessel Tozan Maru sunk by USN submarines Flasher and Crevalle

Japanese vessel Aki Maru sunk by USN submarine Crevalle

27 September 1944
South China Sea
Japanese vessel Ural Maru sunk by USN submarine Flasher

Japanese vessel Hokki Maru damaged by USN submarine Lapon and subsequently scuttled

28 September 1944
South China Sea
Japanese vessel Anjo Maru sunk by USN submarine Bonefish

29 September 1944
South China Sea
IJN guardboat Riki Maru sunk by mine off Kota Bharu, Malaya

7 October 1944
South China Sea
Japanese vessel Kinugasa Maru sunk by USN submarines Hawkbill and Baya

8 October 1944
South China Sea
IJN seaplane carrier Kimikawa Maru damaged by USN submarine Becuna

9 October 1944
South China Sea
Japanese vessel Tokuwa Maru sunk by USN submarines Becuna and Hawkbill

Japanese vessel Tachibana Maru sunk by USN submarine Sawfish

11 October 1944
South China Sea
Japanese vessel Joshu Go sunk by USN submarine Tang

Japanese vessel Oita Maru sunk by USN submarine Tang

13 October 1944
South China Sea
Japanese vessel Shinshu Maru sunk by USN submarine Bergall

18 October 1944
South China Sea
Japanese vessel Taikai Maru sunk by USN submarine Raton

Japanese vessel Shiranesan Maru sunk by USN submarine Raton

Japanese vessel Arabia Maru sunk by USN submarine Bluegill

Japanese vessel Chinsei Maru sunk by USN submarine Bluegill

Japanese vessel Hakushika Maru sunk by USN submarine Bluegill

22 October 1944
East Indies
Battle of Leyte Gulf: IJN forces depart Brunei for Philippines with battleships and accompanying cruisers and destroyers

South China Sea
Battle of Leyte Gulf: USN submarine Darter sights IJN warships en route to Philippines

23 October 1944
South China Sea
IJN seaplane carrier Kimikawa Maru sunk by USN submarine Sawfish

Japanese vessel Kikusui Maru damaged by USN submarine Snook and subsequently sinks

USN submarine Shark sunk by IJN destroyer Harukaze

24 October 1944
South China Sea
Japanese vessel Shikisan Maru sunk by USN submarine Drum

Japanese vessel Tenshin Maru sunk by USN submarine Icefish

Japanese vessel Eiko Maru sunk by USN submarine Seadragon

Japanese vessel Daiten Maru sunk by USN submarine Seadragon

Japanese vessel Kokuryu Maru sunk by USN submarine Seadragon

Japanese vessel Arisan Maru sunk by USN submarine Snook

Japanese vessel No. 1 Shinsei Maru sunk by USN submarine Snook

25 October 1944
South China Sea
Japanese vessel Shoho Maru sunk by USAAF aircraft

26 October 1944
South China Sea
Japanese vessel Kaiko Maru sunk by USAAF aircraft

Japanese vessel Doei Maru sunk by USAAF aircraft

27 October 1944
South China Sea
Japanese vessel Kashii Maru sunk by US 14th Air Force aircraft

30 October 1944
French Indochina
US 14th Air Force attacks land targets and shipping around Phu Lang Thuong

2 November 1944
South China Sea
Japanese vessel Hachijin Maru sunk by RN submarine Tantalus

3 November 1944
South China Sea
Japanese vessel Taimei Maru sunk by USN submarine Gurnard

IJN destroyer Akikaze sunk by USN submarine Pintado

8 November 1944
South China Sea
Japanese vessel No. 2 Nichinan Maru sunk by USN submarine Redfin

12 November 1944
East China Sea
Japanese vessel Naruo Maru sunk by USN submarine Barb

Japanese vessel Shinshu Maru sunk by USN submarine Peto

14 November 1944
South China Sea
Japanese vessel Hinaga Maru sunk by USN submarine Jack

Japanese vessel Kokuyo Maru sunk by USN submarine Spadefish

15 November 1944
South China Sea
Japanese vessel Misaki Maru sunk by USN submarine Barbel

Japanese vessel Sugiyama Maru sunk by USN submarine Barbel

Japanese vessel Nichiei Maru sunk by USN submarine Jack

Japanese vessel No. 2 Yuzan Maru sunk by USN submarine Jack

17 November 1944
South China Sea
Japanese vessel Shunten Maru sunk by USN submarine Gunnel

IJN torpedo boat Hiyodori sunk by USN submarine Gunnel

18 November 1944
East China Sea
Japanese vessel Aisakasan Maru sunk by USN submarine Peto

Japanese vessel Chinkai Maru sunk by USN submarine Peto

IJN auxiliary sub chaser Cha-156 sunk by USN submarine Spadefish

Japanese vessel Seisho Maru sunk by USN submarine Sunfish

20 November 1944
East China Sea
IJN minesweeper W-38 sunk by USN submarine Atule

21 November 1944
South China Sea
Japanese vessel Gyosan Maru sunk by USN submarines Bashaw and Flounder

Yellow Sea
Japanese vessel Fukurei Maru sunk by accident

22 November 1944
East Indies
RN submarine Strategem sunk by IJN patrol vessel

23 November 1944
East China Sea
Japanese vessel Fukuju Maru sunk by USN submarine Picuda

Japanese vessel Shuyo Maru sunk by USN submarine Picuda

29 November 1944
Yellow Sea
Japanese vessel No. 6 Daiboshi Maru sunk by USN submarine Spadefish

30 November 1944
Yellow Sea
Japanese vessel Dairen Maru sunk by USN submarine Sunfish

2 December 1944
East Indies
RAAF aircraft attack Japanese convoy

4 December 1944
South China Sea
IJN destroyer Kishinami sunk by USN submarine Flasher

Japanese vessel Hakku Maru severely damaged by USN submarine Flasher and subsequently scuttled

8 December 1944
South China Sea
Japanese vessel Shoei Maru sunk by USN submarines Paddle and Hammerhead

13 December 1944
South China Sea
IJN heavy cruiser Myoko damaged by USN submarine Bergall

Japanese vessel T-12 sunk by USN submarine Pintado

Japanese vessel T-104 sunk by USN submarine Pintado

16 December 1944
South China Sea
USN submarine Dace conducts minelaying operations off French Indochina

17 December 1944
South China Sea
IJN heavy cruiser Myoko, already damaged and under tow, suffers severe damage in heavy seas

19 December 1944
South China Sea
IJN aircraft carrier Unryu sunk by USN submarine Redfish

Japanese vessel Shinfuku Maru sunk by USN PB4Y aircraft

21 December 1944
South China Sea
Japanese vessel Mamiya sunk by USN submarine Sealion

22 December 1944
South China Sea
Japanese vessel Omurosan Maru sunk by USN submarine Flasher

Japanese vessel Otowasan Maru sunk by USN submarine Flasher

Japanese vessel Arita Maru sunk by USN submarine Flasher

28 December 1944
South China Sea
Japanese vessel Nozaki sunk by USN submarine Dace

2 January 1945
South China Sea
Japanese vessel Shinshu Maru damaged by USN submarine Aspro

6 January 1945
South China Sea
Japanese vessel Nichei Maru damaged by USN submarine Besugo

Japanese vessel Tarakan Maru damaged by USN submarine Sea Robin

Japanese vessel No. 3 Iyasaka Maru sunk by US 14th Air Force aircraft off French Indochina

IJN auxiliary sub chaser Cha-64 sunk by US 14th Air Force aircraft off French Indochina

12 January 1945
South China Sea
Carrier-based aircraft from USN Task Force 38 attack Japanese installations in French Indochina and shipping in the South China Sea, flying more than 980 sorties

IJN anti-submarine vessel Kashii sunk by carrier-based aircraft from USN Task Force 38

IJN escort vessel Chiburi sunk by carrier-based aircraft from USN Task Force 38

IJN guardboat No. 2 Fushimi Maru sunk by carrier-based aircraft from USN Task Force 38

IJN Patrol Boat No. 103 (ex USN minesweeper Finch) sunk by carrier-based aircraft from USN Task Force 38

IJN minesweeper W-101 sunk by carrier-based aircraft from USN Task Force 38

IJN auxiliary minesweeper Otowa Maru sunk by carrier-based aircraft from USN Task Force 38

IJN sub chaser Ch-31 sunk by carrier-based aircraft from USN Task Force 38

IJN sub chaser Ch-43 sunk by carrier-based aircraft from USN Task Force 38

IJN Coast Defense Vessel No. 17 sunk by carrier-based aircraft from USN Task Force 38

IJN Coast Defense Vessel No. 19 sunk by carrier-based aircraft from USN Task Force 38

IJN Coast Defense Vessel No. 35 sunk by carrier-based aircraft from USN Task Force 38

IJN Coast Defense Vessel No. 43 sunk by carrier-based aircraft from USN Task Force 38

French light cruiser Lamotte-Picquet sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel T-140 sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Ayanami Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Hoei Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Akashi Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Kumagawa Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Shinsei Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel France Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Shingi Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Ayayuki Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Nagayoshi Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Koshin Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Kensei Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Toyu Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Ikutagawa Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Kiyo Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel No. 17 Shinsei Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Kenei Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel Taikyu Maru sunk by carrier-based aircraft from USN Task Force 38

Japanese vessel No. 9 Horai Maru sunk by carrier-based aircraft from USN Task Force 38

French vessel Octant sunk by carrier-based aircraft from USN Task Force 38

Many other Japanese vessels and French vessels damaged by carrier-based aircraft from USN Task Force 38

14 January 1945
South China Sea
IJN minelayer Yurijima sunk by USN submarine Cobia off Malaya

15 January 1945
Singapore
Kriegsmarine U-boat UIT-24 (ex Italian Cappelini) departs for Japan

19 January 1945
East Indies
RN submarine Porpoise sunk by Japanese aircraft

24 January 1945
South China Sea
IJN destroyer Shigure sunk by USN submarine Blackfin off Malaya

25 January 1945
French Indochina
US 20th Air Force conducts minelaying operations overnight along the coast with B-29 bombers

Thailand
US 20th Air Force conducts minelaying operations overnight along the coast with B-29 bombers

Malaya
US 20th Air Force conducts minelaying operations overnight along the coast with B-29 bombers

Singapore
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

26 January 1945
South China Sea
Japanese vessel No. 1 Tamon Maru sunk by mine off French Indochina

Japanese vessel Horai Maru sunk by mine off Singapore

30 January 1945
South China Sea
Japanese vessel No. 12 Taisei Maru sunk by RN submarine Tantalus

31 January 1945
South China Sea
Japanese vessel Enki Maru sunk by USN submarine Boarfish

Japanese vessel Taietsu Maru damaged by USN submarine Boarfish and run aground off French Indochina

1 February 1945
South China Sea
Japanese vessel Taietsu Maru, previously damaged by USN submarine Boarfish and run aground off French Indochina, sunk by US 14th Air Force

Yellow Sea
Japanese vessel No. 16 Nissho Maru sunk by mine

2 February 1945
South China Sea
IJN Coast Defense Vessel No. 144 sunk by USN submarine Besugo off Malaya

Japanese vessel No. 19 Nanshin Maru sunk by USN submarine Hardhead off Malaya

Japanese vessel No. 3 Kinyu Maru sunk by Allied aircraft off French Indochina

4 February 1945
Yellow Sea
Japanese vessel Tairai Maru sunk by USN submarine Spadefish

French Indochina
USN submarine Pargo bombards Japanese installations on Woody Island

6 February 1945
South China Sea
Japanese vessel Engen Maru sunk by USN submarine Pampanito

Japanese vessel No. 3 Kinyu Maru sunk by USAAF aircraft off French Indochina

IJN battleship-carrier Ise damaged by mine off Singapore

Yellow Sea
Japanese vessel Shohei Maru sunk by USN submarine Spadefish

7 February 1945
South China Sea
IJN Coast Defense Vessel No. 53 sunk by USN submarine Bergall off French Indochina

Japanese vessel Taigyo Maru sunk by USN submarine Guavina off French Indochina

8 February 1945
South China Sea
IJN gunboat Eifuku Maru sunk by USN submarine Pampanito off French Indochina

Japanese vessel T-143 runs aground and abandoned

9 February 1945
South China Sea
IJN escort vessel No. 61 damaged by mine, towed to Saigon, and subsequently written off

10 February 1945
Singapore
IJN battleships Ise and Hyuga with light cruiser Oyodo and escorting destroyers depart Singapore for Japan

11 February 1945
French Indochina
Japanese vessel Shoto Maru sunk by USAAF aircraft at Saigon

14 February 1945
Yellow Sea
IJN Coast Defense Vessel No. 9 sunk by USN submarine Gato

16 February 1945
South China Sea
Japanese vessel Ida Maru sunk by USN PB4Y-1 aircraft

Japanese vessel No. 23 Yoshitomo Maru sunk by US aircraft

20 February 1945
South China Sea
Japanese vessel Eiyo Maru damaged by USN submarine Guavina and subsequently sinks

IJN destroyer Nokaze sunk by USN submarine Pargo

21 February 1945
Yellow Sea
Japanese vessel Tairiku Maru sunk by USN submarine Gato

22 February 1945
South China Sea
Japanese vessel Nichiyoku Maru sunk by USN submarine Becuna

Japanese vessel No. 2 Tatekawa Maru damaged by mine, run aground off French Indochina, and destroyed by US FEAF aircraft

23 February 1945
South China Sea
US FEAF B-25 bombers attack a Japanese convoy off Cam Ranh Bay, French Indochina

IJN sub chaser Ch-35 sunk by US FEAF aircraft off French Indochina

IJN escort vessel Yaku sunk by USN submarine Hammerhead

24 February 1945
South China Sea
Japanese vessel Kyuryu Maru damaged by mine of Bangkok and subsequently scuttled

Japanese vessel Yulin Maru runs aground off French Indochina and sinks

27 February 1945
South China Sea
Japanese vessel Amato Maru sunk by USN submarine Blenny

Singapore
US 20th Air Force conducts minelaying operations in the Johore Strait overnight with ten B-29 bombers

1 March 1945
South China Sea
Japanese vessel Hokuhi Maru sunk by US FEAF aircraft

Japanese vessel Eisho Maru sunk by US 14th Air Force aircraft

Japanese vessel Terushima Maru damaged by US 14th Air Force aircraft

Japanese vessel Kashima Maru damaged by US 14th Air Force aircraft

2 March 1945
South China Sea
Japanese vessel T-143, already aground and abandoned, destroyed by US FEAF aircraft

East China Sea
Japanese vessel Nichirin Maru sunk by USN PB4Y-2 aircraft

3 March 1945
South China Sea
Japanese vessel No. 1 Yaei Maru sunk by US 14th Air Force aircraft

Japanese vessel Hario sunk by mine

4 March 1945
South China Sea
Japanese vessel Palembang Maru sunk by USN submarine Baya

5 March 1945
South China Sea
Japanese vessel Ryoei Maru sunk by USN submarine Bashaw

Japanese vessel Seishin Maru sunk by USN submarine Bashaw

IJN auxiliary sub chaser Kasuga Maru sunk by US FEAF aircraft

IJN auxiliary sub chaser Ujina Maru sunk by US FEAF aircraft

Japanese vessel Shoto Maru sunk by US FEAF aircraft

9 March 1945
French Indochina
French river gunboat Avalanche scuttled to prevent capture by Japanese

French river gunboat Commandant Bordais scuttled to prevent capture by Japanese

French river gunboat Vigilante scuttled to prevent capture by Japanese

French river gunboat Francis Garnier scuttled to prevent capture by Japanese

10 March 1945
South China Sea
Japanese vessel Seishin Maru sunk by US FEAF aircraft

French Indochina
French river gunboat Mytho scuttled to prevent capture by Japanese

French river gunboat Tourane scuttled to prevent capture by Japanese

French sloop Marne scuttled to prevent capture by Japanese

French sloop Amiral Charner damaged by Japanese aircraft and scuttled to prevent capture

11 March 1945
South China Sea
Japanese vessel Kinsei Maru sunk by USAAF aircraft

Japanese vessel Namikiri Maru sunk by USAAF aircraft

Japanese vessel No. 3 Hinode Maru sunk by USAAF aircraft

Yellow Sea
Japanese vessel Shori Maru sunk by USN submarine Segundo off Korea

French Indochina
French vessel Laperouse scuttled to prevent capture by Japanese

15 March 1945
South China Sea
Japanese vessel Hoseki Maru sunk by USAAF aircraft

17 March 1945
South China Sea
Thai vessel Samui sunk by USN submarine Sealion

19 March 1945
Singapore
Japanese vessel Sarawak Maru sunk by mine off Singapore

20 March 1945
South China Sea
Japanese vessel No. 21 Nanshin Maru sunk by USN submarine Blenny

Japanese vessel Hosen Maru sunk by USN submarine Blenny

Japanese vessel Yamakuni Maru sunk by USN submarine Blenny

Japanese vessel No. 1 Genzan Maru sunk by Allied aircraft

21 March 1945
South China Sea
IJN sub chaser Ch-9 sunk by US FEAF aircraft

IJN sub chaser Ch-33 sunk by US FEAF aircraft

Japanese vessel Tateishi sunk by US FEAF aircraft

Japanese vessel No. 1 Motoyama Maru sunk by US FEAF aircraft

Japanese vessel No. 2 Fushimi Maru sunk by US FEAF aircraft

Japanese vessel No. 6 Takasago Maru sunk by US FEAF aircraft

Japanese vessel Kainan Maru sunk by USN submarine Baya

23 March 1945
East China Sea
Japanese vessel Doryu Maru sunk by USN submarine Spadefish

26 March 1945
Yellow Sea
Japanese vessel No. 1 Shinto Maru sunk by USN submarine Balao

27 March 1945
East China Sea
Japanese vessel Odate sunk by USN submarine Trigger

28 March 1945
South China Sea
Japanese vessel Asogawa Maru sunk by USAAF aircraft

Japanese vessel Honan Maru damaged by USN submarine Bluegill, run aground, and subsequently destroyed

East China Sea
Japanese vessel Meiho Maru sunk by US FEAF aircraft

IJN Coast Defense Vessel No. 102 sunk by US FEAF aircraft

IJN Coast Defense Vessel No. 106 sunk by US FEAF aircraft

French Indochina
US 20th Air Force conducts minelaying operations along the coast overnight with 17 B-29 bombers

Singapore
US 20th Air Force conducts minelaying operations overnight with 32 B-29 bombers

29 March 1945
South China Sea
IJN Coast Defense Vessel No. 18 sunk by US FEAF aircraft

IJN Coast Defense Vessel No. 130 sunk by US FEAF aircraft

Japanese vessel Kaiko Maru sunk by US FEAF aircraft

Japanese escort No. 84 sunk by USN submarine Hammerhead

2 April 1945
South China Sea
USN submarine Hardhead conducts minelaying operations off French Indochina

Japanese vessel No. 1 Taisei Maru sunk by USAAF aircraft

3 April 1945
South China Sea
USN aircraft sink Japanese vessel No. 30 Nanshin Maru along coast of French Indochina

6 April 1945
South China Sea
Japanese vessel Araosan Maru sunk by USN submarine Hardhead

7 April 1945
East China Sea
IJN auxiliary sub chaser Tama Maru sunk by USN submarine Tirante off Korea

9 April 1945
Yellow Sea
Japanese vessel Ritsu Maru sunk by USN submarine Spadefish off Korea

Japanese vessel Nikko Maru sunk by USN submarine Tirante

11 April 1945
Yellow Sea
Japanese auxiliary minesweeper No. 17 Hinode Maru sunk by USN submarine Spadefish

14 April 1945
South China Sea
IJN auxiliary sub chaser Cha-11 sunk by Allied aircraft

USN submarine Snook lost sometime after 8 April, possibly sunk on this date by IJN submarine I-56 or I-44

East China Sea
Japanese vessel Jusan Maru sunk by USN submarine Tirante

IJN escort vessel Nomi sunk by USN submarine Tirante

IJN Coast Defense Vessel No. 31 sunk by USN submarine Tirante

15 April 1945
South China Sea
USN submarine Charr conducts minelaying operations

East China Sea
IJN guardboat No. 2 Hinode Maru sunk by US aircraft

17 April 1945
South China Sea
Japanese vessel Gyoyo Maru sunk by USN PB4Y aircraft

20 April 1945
East China Sea
Japanese vessel Yamamitsu Maru sunk by mine

22 April 1945
South China Sea
Japanese vessel Mankei Maru sunk by USN submarine Hardhead

24 April 1945
South China Sea
Japanese vessel Shinyo Maru sunk by USAAF aircraft

25 April 1945
French Indochina
Japanese vessel Kaiko Maru sunk by US FEAF aircraft at Saigon

28 April 1945
South China Sea
Japanese vessel Takasago Maru sunk by RN submarine Tradewind

French Indochina
Japanese vessel No. 8 Takasago Maru sunk by US FEAF aircraft at Saigon

Japanese vessel No. 10 Shingi Maru sunk by US FEAF aircraft at Saigon

Japanese vessel No. 9 Nittai Maru sunk by US FEAF aircraft at Saigon

Japanese vessel No. 1 Kashima Maru sunk by US FEAF aircraft at Saigon

Japanese shuttle boats No. 51, No. 57, and No. 74 sunk by US FEAF aircraft at Saigon

30 April 1945
Yellow Sea
Japanese vessel Miho Maru sunk by USN submarine Trepang

1 May 1945
South China Sea
Japanese vessel No. 2 Iyasaka Maru sunk by Allied aircraft

3 May 1945
South China Sea
USN submarine Lagarto sunk by IJN minelayer Hatsutaka

4 May 1945
South China Sea
Japanese vessel No. 2 Yaei Maru sunk by mine off Singapore

Japanese vessel Tokachi Maru sunk by US aircraft

6 May 1945
South China Sea
Japanese vessel Kinrei Maru sunk by USN submarine Hammerhead

8 May 1945
South China Sea
USN submarine Bream conducts minelaying operations off French Indochina

15 May 1945
South China Sea
Japanese vessel Tottori Maru sunk by USN submarine Hammerhead

16 May 1945
South China Sea
IJN minelayer Hatsutaka sunk by USN submarine Hawkbill

18 May 1945
Yellow Sea
Japanese vessel Chosan Maru sunk by USN submarine Shad

20 May 1945
East China Sea
Japanese vessel Nikkan Maru sunk by US aircraft

Japanese vessel Kanagawa Maru sunk by US aircraft

29 May 1945
South China Sea
Japanese vessel Etsunan Maru sunk by mine

3 June 1945
East China Sea
Japanese vessel No. 94 Anto Maru sunk by USN submarine Segundo

4 June 1945
East China Sea
Japanese vessel Taiu Maru sunk by USN submarine Billfish

Japanese vessel Shobu Maru sunk by US aircraft

5 June 1945
East China Sea
IJN auxiliary sub chaser Cha-230 sunk in accidental collision

7 June 1945
East China Sea
Japanese vessel Azusa Maru sunk by USN submarine Shad

Japanese vessel No. 22 Nanshin Maru sunk by USN submarine Shad

8 June 1945
South China Sea
Japanese vessel Hakusa Maru sunk by USN submarine Cobia

Japanese vessel No. 22 Nanshin Maru sunk by USN submarine Cobia

10 June 1945
East China Sea
USN PB4Y aircraft begin minelaying operations along Korean coast

Japanese vessel Tado Maru sunk by USN PB4Y aircraft

IJN auxiliary sub chaser Cha-63 sunk in accidental collision

12 June 1945
East China Sea
USN PB4Y aircraft conduct minelaying operations

13 June 1945
South China Sea
USN submarine Bergall damaged by mine and aborts patrol

East China Sea
USN PB4Y aircraft conduct minelaying operations

Japanese vessel Kaisho Maru sunk by USN PBM aircraft

14 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

15 June 1945
South China Sea
Japanese vessel Toho Maru sunk by US 10th Air Force aircraft

IJN destroyer Kamikaze and minesweeper W-4 damaged by US 10th Air Force aircraft

RAF attacks Japanese shipping with 18 Liberator bombers

Japanese vessel No. 2 Tanshin Maru sunk in accident

East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Yellow Sea
Japanese vessel Heiryu Maru sunk in accident

French Indochina
IJN guardboat Gion Maru sunk by US aircraft at Cam Ranh Bay

IJN guardboat Jinko Maru sunk by US aircraft at Cam Ranh Bay

16 June 1945
South China Sea
RAF aircraft attack Japanese shipping

East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Japanese vessel Takeshima Maru sunk by US aircraft

17 June 1945
Sea of Japan
Japanese vessel Jintsugawa Maru sunk by accident off Korea

18 June 1945
Sea of Japan
Japanese vessel Wakae Maru sunk by USN submarine Tinosa off Korea

East China Sea
IJN guardboat Reiko Maru sunk by USN submarine Dentuda

IJN guardboat Heiwa Maru sunk by USN submarine Dentuda

USN PB4Y-2 aircraft conduct minelaying operations

19 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Japanese vessel Hattenzan Maru sunk by US aircraft off Korea

20 June 1945
South China Sea
Japanese vessel Nanshin Maru sunk by mine

Sea of Japan
Japanese vessel Taito Maru sunk by USN submarine Tinosa off Korea

Japanese vessel Kaisei Maru sunk by USN submarine Tinosa off Korea

Korea
Japanese vessel Kamome Maru sunk by US aircraft

East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Japanese vessel Keijo Maru sunk by US FEAF aircraft

21 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

22 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Yellow Sea
USN PBM aircraft attack Japanese shipping

23 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Yellow Sea
Japanese vessel No. 293 Antung Maru sunk by USN submarine Tirante

24 June 1945
Yellow Sea
Japanese vessel No. 284 Antung Maru sunk by USN submarine Tirante

East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Japanese vessel Pluto Go sunk by USN PB4Y-2 aircraft

25 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Korea
Japanese vessel Katori Maru sunk by US aircraft

26 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

Japanese vessel Kisei Go sunk by US aircraft

27 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

28 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

29 June 1945
East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

30 June 1945
South China Sea
Japanese vessel Hokushin Maru sunk by unknown cause

East China Sea
USN PB4Y-2 aircraft conduct minelaying operations

1 July 1945
East China Sea
USN PB4Y-2 aircraft conclude minelaying operations

Yellow Sea
IJN Coast Defense Vessel No. 72 sunk by USN submarine Haddo

Japanese vessel Konri Maru sunk by USN submarine Haddo

Japanese vessel No. 1 Taiun Maru sunk by USN submarine Haddo

Japanese vessel No. 2 Taiun Maru sunk by USN submarine Haddo

2 July 1945
East China Sea
Japanese vessel Nishima Maru sunk by USN PB4Y aircraft

Japanese vessel No. 12 Shima Maru sunk by USN PB4Y aircraft

Yellow Sea
Unnamed Japanese vessel sunk by USN submarines Haddo and Paddle

3 July 1945
East China Sea
Japanese vessel Hoei Maru sunk by USN PB4Y aircraft

5 July 1945
East China Sea
USN Task Force 39 begins minesweeping operations

USN Task Force 32 covers minesweeping operations by Task Force 39

8 July 1945
South China Sea
USN submarine Cod rescues crew of stranded Free Dutch submarine O-19

Stranded Free Dutch submarine O-19 scuttled by USN submarine Cod

East China Sea
Japanese vessel Mikunisan Maru sunk by US aircraft

IJN auxiliary sub chaser Cha-85 sunk by USN submarine Sea Robin

9 July 1945
South China Sea
IJN auxiliary sub chaser Cha-50 sunk by USN submarine Bluefish

10 July 1945
South China Sea
Japanese vessel Sakura Maru sunk by USN submarine Hammerhead

Japanese vessel No. 5 Nanmei Maru sunk by USN submarine Hammerhead

East China Sea
Japanese vessel Sakishima Maru sunk by USN submarine Sea Robin

Japanese vessel No. 10 Hachiryu Maru sunk by US aircraft near mouth of the Yangtze River

IJN guardboat No. 3 Kashima Maru sunk by US aircraft near mouth of the Yangtze River

11 July 1945
East China Sea
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

13 July 1945
East China Sea
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

15 July 1945
East China Sea
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

17 July 1945
East China Sea
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

18 July 1945
East China Sea
Japanese vessel Chishima Maru sunk by USN aircraft

19 July 1945
South China Sea
Japanese vessel No. 3 Kyoei Maru sunk by USN submarine Bumper

East China Sea
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

20 July 1945
South China Sea
IJN guardboat No. 3 Kyoraku Maru sunk by USN submarine Bumper

Yellow Sea
IJN minesweeper W-39 sunk by USN submarine Threadfin

21 July 1945
East China Sea
Japanese vessel Chio Maru sunk by USN submarine Sea Robin

Japanese vessel Yoshi Maru sunk by USN submarine Sea Robin

22 July 1945
East China Sea
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

Korea
Japanese vessel Hooko Go sunk by US aircraft

23 July 1945
Korea
Japanese vessel No. 15 Horai Maru sunk by US FEAF aircraft

24 July 1945
Korea
Japanese vessel Koichi Maru sunk by mine

25 July 1945
East China Sea
US 20th Air Force conducts minelaying operations overnight with B-29 bombers

26 July 1945
East China Sea
IJN auxiliary minesweeper No. 18 Hinode Maru sunk by US aircraft

IJN auxiliary minesweeper Rikuzen Maru sunk by US aircraft

28 July 1945
East China Sea
USN Task Force 32 launches anti-shipping strikes but finds no targets

29 July 1945
East China Sea
Japanese vessel Hokusei Maru sunk by USAAF aircraft

Japanese vessel No. 18 Ono Maru sunk by USAAF aircraft

Japanese vessel Seishin Maru sunk by USAAF aircraft

Japanese vessel Yushin Maru sunk by USAAF aircraft

Japanese vessel Shoryu Maru sunk by USAAF aircraft

Four other Japanese vesses damaged by USAAF aircraft

US 20th Air Force conducts minelaying operations overnight with B-29 bombers

Korea
IJN guardboat Ashai Maru sunk in accident

IJN guardboat No. 6 Kaiyo Maru sunk in accident

30 July 1945
Korea
Japanese vessel Gessan Maru sunk by USAAF aircraft

Singapore
RN submarine Spark delivers midget submarine XE-1 to Singapore harbor

RN submarine Stygian delivers midget submarine XE-3 to Singapore harbor

RN midget submarines XE-1 and XE-3 penetrate into Singapore harbor and set charges on IJN warships

31 July 1945
South China Sea
Towed into position by RN submarine Spearhead, RN midget submarine XE-4 cuts the Saigon-Singapore and Saigon-Hong Kong underwater cables off French Indochina

Korea
IJN guardboat No. 5 Teru Maru sunk by mine

Japanese vessel No. 5 Matsumae Maru sunk by mine

Singapore
IJN heavy cruiser Takao sunk by explosive charges set by RN midget submarines, settles on harbor bottom

IJN heavy cruiser Myoko undamaged by explosive charges set by RN midget submarines

3 August 1945
Korea
Japanese vessel No. 3 Kamikage Maru sunk by mine

7 August 1945
Sea of Japan
Japanese vessel Rashin Maru sunk by USN submarine Pargo off Korea

Korea
US FEAF aircraft attack Japanese convoy off Pusan

IJN Coast Defense Vessel No. 39 sunk by US FEAF aircraft

Japanese vessel No. 7 Kinyu Maru sunk by US FEAF aircraft

Japanese vessel No. 9 Nanki Maru sunk by US FEAF aircraft

US 20th Air Force conducts minelaying operations off Najin with B-29 bombers overnight

French Indochina
IJN auxiliary sub chaser Rumoe Maru sunk by Allied aircraft

8 August 1945
Korea
US FEAF aircraft attack targets on land and shipping along the coast

Japanese vessel Shokai Maru sunk by US FEAF aircraft

Japanese vessel Megami Maru sunk by US FEAF aircraft

Japanese vessel No. 7 Yamabishi Maru sunk by USN PB4Y aircraft

Japanese vessel Kagoshima Maru sunk by USN PB4Y aircraft

IJN guardboat No. 63 Hino Maru sunk by USN PB4Y aircraft

9 August 1945
Sea of Okhotsk
Japanese vessel Kasado Maru sunk by Soviet aircraft

Japanese vessel No. 2 Ryuho Maru sunk by Soviet aircraft

Korea
IJN Coast Defense Vessel No. 82 sunk by Soviet aircraft

IJN auxiliary sub chaser No. 63 Hino Maru sunk by US FEAF aircraft

Japanese vessel No. 7 Yamabishi Maru sunk by US FEAF aircraft

Japanese vessel Daito Maru sunk by US FEAF aircraft

Japanese vessel Edamitsu Maru sunk by US FEAF aircraft

Japanese vessel Sotsu Go sunk by US FEAF aircraft

Japanese vessel Empo Maru sunk by US FEAF aircraft

Japanese vessel Senko Maru sunk by US FEAF aircraft

Japanese vessel Kagoshima Maru sunk by US FEAF aircraft

Japanese vessel Toyoshima Maru sunk by US FEAF aircraft

10 August 1945
Formosa
Japanese vessel Chichibu Maru sunk by US FEAF aircraft

Korea
IJN Coast Defense Vessel No. 82 sunk by Soviet aircraft

Japanese vessel Kari Go sunk by US FEAF aircraft

Japanese vessel Isshin Maru sunk by US FEAF aircraft

Japanese vessel Shofuko Maru sunk by US FEAF aircraft

Japanese vessel Taishun Maru sunk by US FEAF aircraft

Japanese vessel Awakawa Maru sunk by US FEAF aircraft

Japanese vessel Taiko Maru sunk by US FEAF aircraft

Japanese vessel Erimo Maru sunk by US FEAF aircraft

US 20th Air Force conducts minelaying operations off Wonsan with B-29 bombers overnight

11 August 1945
East China Sea
USN Task Group 95.4 begins minesweeping operations

Korea
Soviet amphibious force begins landing at Unggi

12 August 1945
Korea
Soviet amphibious force secures Unggi

Soviet amphibious force lands and captures Najin

Japanese vessel Hozugawa Maru sunk by US FEAF aircraft

13 August 1945
Korea
Soviet recon detachment lands at Chongjin against strong resistance

14 August 1945
East China Sea
IJN submarine I-373 sunk by USN submarine Spikefish

Korea
Soviet amphibious landing at Chongjin meets strong resistance and Japanese counterattacks threaten to destroy the beachhead

Japanese vessel Kashima Maru sunk by mine

15 August 1945
Korea
IJN escort vessel Kanju sunk by Soviet aircraft

IJN frigate Kanu sunk by Soviet aircraft

17 August 1945
Korea
IJN Coast Defense Vessel No. 46 sunk by mine

18 August 1945
Korea
IJN Coast Defense Vessel No. 75 sunk by Soviet aircraft

IJN Coast Defense Vessel No. 213 sunk by Soviet aircraft

19 August 1945
Korea
Soviet amphibious force lands and captures Yededin

IJN frigate Oki damaged by mine

20 August 1945
Korea
Soviet warships land 2000 troops at Wonsan which surrenders without resistance



War Diary records on file for this subject: 570 

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