Bombing of Kure (July 1945)

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Bombing of Kure
Part of Pacific War
Japanese battleship Haruna attacked.jpg
Japanese battleship Haruna under attack on 28 July
Date24–28 July 1945
LocationInland Sea region of Japan
Result Allied victory
Belligerents
Flag of the United States (1912-1959).svg  United States
Flag of the United Kingdom.svg  United Kingdom
Merchant flag of Japan (1870).svg  Japan
Commanders and leaders
Flag of the United States (1912-1959).svg William Halsey, Jr. Merchant flag of Japan (1870).svg Kanazawa Masao
Units involved

U.S Third Fleet

Imperial Japanese Navy
Casualties and losses
133 aircraft,
102 KIA [1]
1 fleet carrier,
3 battleships,
2 heavy cruisers,
1 light cruiser,
2 armored cruisers,
2 escort ships,
Several smaller warships sunk
306 aircraft destroyed,
392 aircraft damaged [1]

The bombing of Kure and surrounding areas by United States and British naval aircraft in late July 1945 led to the sinking of most of the surviving large warships of the Imperial Japanese Navy (IJN). The United States Third Fleet's attacks on Kure Naval Arsenal and nearby ports on 24, 25, and 28 July sank an aircraft carrier, three battleships, five cruisers, and several smaller warships. During the same period the British Pacific Fleet attacked other targets in the Inland Sea region and sank two escort ships and several smaller vessels as well as damaging an escort carrier. Many historians consider the Kure bombing as the Japanese Navy's Pearl Harbor.

Kure, Hiroshima Core city in Chūgoku, Japan

Kure is a port and major shipbuilding city situated on the Seto Inland Sea in Hiroshima Prefecture, Japan. With a strong industrial heritage Kure hosts the second oldest naval dockyard in Japan and remains an important base for the Japan Maritime Self-Defence Force (JMSDF).

Naval aviation air warfare conducted by forces under naval authority, or in direct support of naval operations

Naval aviation is the application of military air power by navies, whether from warships that embark aircraft, or land bases.

Imperial Japanese Navy Naval branch of the Empire of Japan

The Imperial Japanese Navy was the navy of the Empire of Japan from 1868 until 1945, when it was dissolved following Japan's surrender in World War II. The Japan Maritime Self-Defense Force (JMSDF) was formed after the dissolution of the IJN.

Contents

Prelude

In July 1945 the IJN's remaining large warships were concentrated near the major naval base of Kure. The ships were effectively immobilized due to fuel shortages and were being used only as stationary anti-aircraft batteries. [2] Admiral John S. McCain, Sr., the commander of the Fast Carrier Task Force, strongly opposed attacking Kure as he and his staff believed that the ships only posed a minor threat. [3]

Admiral is one of the highest ranks in some navies, and in many navies is the highest rank. It is usually abbreviated to "Adm" or "ADM". The rank is generally thought to have originated in Sicily from a conflation of Arabic: أمير البحر‎, amīr al-baḥr, "commander of the sea", with Latin admirabilis ("admirable") or admiratus ("admired"), although alternative etymologies derive the word directly from Latin, or from the Turkish military and naval rank miralay. The French version – amiral without the additional d – tends to add evidence for the Arab origin.

Fast Carrier Task Force

The Fast Carrier Task Force was the main striking force of the United States Navy in the Pacific War from January 1944 through the end of the war in August 1945. The task force was made up of several separate task groups, each typically built around three to four aircraft carriers and their supporting vessels. The support vessels were screening destroyers, cruisers, and the newly built fast battleships.

In his memoirs Admiral Halsey gave four reasons for why he attacked Kure despite McCain's objections. First, he believed that the attack would boost US morale and retaliate for the Attack on Pearl Harbor in December 1941. Second, it would ensure that the Japanese could not disrupt the planned Soviet invasion of Hokkaido. Third, it would prevent Japan from using its fleet as a bargaining point to secure better peace terms. Finally, he had been ordered to conduct the attack by his superior officer, Fleet Admiral Chester W. Nimitz. [3]

Attack on Pearl Harbor Surprise attack by the Imperial Japanese Navy on the U.S. Pacific Fleet in Pearl Harbor in Hawaii

The Attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor, Hawaii Territory, on Sunday morning, December 7, 1941. The attack, also known as the Battle of Pearl Harbor, led to the United States' formal entry into World War II. The Japanese military leadership referred to the attack as the Hawaii Operation and Operation AI, and as Operation Z during its planning.

Soviet Union 1922–1991 country in Europe and Asia

The Soviet Union, officially the Union of Soviet Socialist Republics (USSR), was a socialist state in Eurasia that existed from 30 December 1922 to 26 December 1991. Nominally a union of multiple national Soviet republics, its government and economy were highly centralized. The country was a one-party state, governed by the Communist Party with Moscow as its capital in its largest republic, the Russian Soviet Federative Socialist Republic. Other major urban centres were Leningrad, Kiev, Minsk, Alma-Ata, and Novosibirsk. It spanned over 10,000 kilometres east to west across 11 time zones, and over 7,200 kilometres north to south. It had five climate zones: tundra, taiga, steppes, desert and mountains.

Hokkaido Island, region, and prefecture of Japan

Hokkaido, formerly known as Ezo, Yezo, Yeso, or Yesso, is the second largest island of Japan, and the largest and northernmost prefecture. The Tsugaru Strait separates Hokkaido from Honshu. The two islands are connected by the undersea railway Seikan Tunnel. The largest city on Hokkaido is its capital, Sapporo, which is also its only ordinance-designated city. About 43 km north of Hokkaido lies Sakhalin Island, Russia. To its east and north-east are the disputed Kuril Islands.

Despite operating as a task group of the US Third Fleet, the British Pacific Fleet was excluded from the attack on Kure so that Britain would not be able to claim a part in destroying the Japanese fleet. The BPF was instead used to attack airfields and the port of Osaka. [2] [3]

Osaka Designated city in Kansai, Japan

Osaka is a designated city in the Kansai region of Japan. It is the capital city of Osaka Prefecture and the largest component of the Keihanshin Metropolitan Area, the second largest metropolitan area in Japan and among the largest in the world with over 19 million inhabitants. Osaka will host Expo 2025. The current mayor of Osaka is Hirofumi Yoshimura.

Kure had been subjected to several major attacks by B-29 Superfortress bombers of the United States Army Air Forces in 1945, before the US Navy's attack in late July. The Hiro Naval Aircraft Factory was successfully bombed on 5 May, naval mines were laid in the approaches to the port on 30 March and 5 May, and 40 percent of the city was destroyed in a major air raid on 1 July. [4]

United States Army Air Forces Aerial warfare branch of the United States army from 1941 to 1947

The United States Army Air Forces, informally known as the Air Force,or United States Army Air Force, was the aerial warfare service of the United States during and immediately after World War II (1939/41–1945), successor to the previous United States Army Air Corps and the direct predecessor of the United States Air Force of today, one of the five uniformed military services. The AAF was a component of the United States Army, which in 1942 was divided functionally by executive order into three autonomous forces: the Army Ground Forces, the Services of Supply, and the Army Air Forces. Each of these forces had a commanding general who reported directly to the Army Chief of Staff.

Naval mine explosive weapon for use in seas and waterways, triggered by the targets approach

A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, any vessel. Naval mines can be used offensively, to hamper enemy shipping movements or lock vessels into a harbour; or defensively, to protect friendly vessels and create "safe" zones.

Participating in the attacks were Task Force 38 for the Americans and Task Force 37 for the British. Task Force 37 included the carriers HMS Formidable (67), Indefatigable (R10), and Victorious (R38). [5]

HMS <i>Formidable</i> (67) Illustrious-class aircraft carrier

HMS Formidable was an Illustrious-class aircraft carrier ordered for the Royal Navy before the Second World War. After being completed in late 1940, she was briefly assigned to the Home Fleet before being transferred to the Mediterranean Fleet as a replacement for her crippled sister ship Illustrious. Formidable's aircraft played a key role in the Battle of Cape Matapan in early 1941, and they subsequently provided cover for Allied ships and attacked Axis forces until their carrier was badly damaged by German dive bombers in May.

HMS <i>Indefatigable</i> (R10) Implacable-class aircraft carrier

HMS Indefatigable was an Implacable-class aircraft carrier built for the Royal Navy (RN) during World War II. She was completed in 1944, and her aircraft made several attacks that year against the German battleship Tirpitz, inflicting only light damage; they also raided targets in Norway. The ship was transferred to the British Pacific Fleet (BPF) at the end of the year and attacked Japanese-controlled oil refineries in Sumatra in January 1945 before joining the American forces in March as they prepared to invade the island of Okinawa in Operation Iceberg. Indefatigable and the BPF joined the Americans in attacking the Japanese Home Islands in July and August. Following the end of hostilities she visited ports in Australia, New Zealand and South Africa.

HMS <i>Victorious</i> (R38) Illustrious-class aircraft carrier, launched 1939

HMS Victorious, ordered under the 1936 Naval Programme, was the third Illustrious-class aircraft carrier after Illustrious and Formidable. She was laid down at the Vickers-Armstrong shipyard at Newcastle-Upon-Tyne in 1937 and launched two years later in 1939. Her commissioning was delayed until 1941 due to the greater need for escort vessels for service in the Battle of the Atlantic.

Battle

Hyuga sunk in shallow waters Hyuga-Historic04.jpg
Hyuga sunk in shallow waters
Tone under attack on 24 July ToneUnderAttack1945.jpg
Tone under attack on 24 July
Aoba sunk in 1946 Japanese cruiser Aoba 1946.jpg
Aoba sunk in 1946

The Third Fleet's attack against Kure began on 24 July. [6] US carrier aircraft flew 1,747 sorties on this day against Japanese targets. [7] The attacks were successful, and resulted in the sinking of aircraft carrier Amagi, and the cruiser Ōyodo, which at this time was acting as the Combined Fleet's flagship. The battleships Hyūga, Ise, and Haruna, the heavy cruisers Tone and Aoba, and the outdated armored training cruisers Iwate and Izumo were all heavily damaged and settled in shallow water. [5] The shallow anchorage precluded the use of torpedoes. The US aircraft attempted to reduce their losses from the large number of anti-aircraft guns in the area by the use of variable time-fused bombs. [2] [5]

Ise after the bombing BattleshipIse.jpg
Ise after the bombing

The British Pacific Fleet's attacks against Osaka and targets in the Inland Sea damaged escort carrier Kaiyo and sank the escort ships No. 4 and No. 30 for the loss of four aircraft. [2]

US strikes against Kure resumed on 28 July and resulted in the further damaging of the battleships Ise and Haruna, and the heavy cruiser Aoba. [2] The aircraft carrier Katsuragi which had largely escaped attack in the earlier raid, and the unserviceable light aircraft carrier Ryūhō were attacked, with Katsuragi suffering heavy damage. [7] These air strikes were among the largest conducted by the US Navy during the war, and were the most destructive of shipping. [7]

The USAAF also launched an attack on the Japanese ships at Kure on 28 July. This raid was made up of 79 B-24 Liberators based on Okinawa. Four bomb hits were made upon the beached cruiser Aoba. The bomb strikes further damaged the vessel, and caused her stern to be broken off. The raid suffered the loss of two B-24s shot down and 14 others suffered damage. [8]

Allied losses included 102 aircrew and 133 planes lost in combat or accidents during the attacks. These losses were higher than those suffered by the Third Fleet in most of its operations, and were the result of the heavy anti-aircraft defences around Kure. [1]

Amagi sunk in 1946 IJN carrier Amagi capsized off Kure in 1946.jpg
Amagi sunk in 1946

Aftermath

Oyodo capsized in shallow waters near Kure Oyodo cruiser capsized 1945.jpg
Oyodo capsized in shallow waters near Kure
Haruna, sunk after the bombing Japanese battleship Haruna sunk.jpg
Haruna, sunk after the bombing

The Allied attacks on Kure and the inland sea left the Nagato at Yokosuka as the only remaining capital ship in Japan's inventory. The destruction of the battleships and heavy cruisers at Kure was seen by British official historian Stephen Roskill as avenging the losses suffered by the United States at Pearl Harbor. [9] The attacks allowed the Soviet Pacific Fleet to operate without fear of interdiction in the Sea of Japan. [10]

Notes

  1. 1 2 3 Halsey (1947). Admiral Halsey's Story. p. 264.
  2. 1 2 3 4 5 Royal Navy 1995 , p. 223
  3. 1 2 3 Halsey 1947 , p. 265
  4. Craven & Crate 1953 , pp. 649, 668–669, 675
  5. 1 2 3 Rohwer, Hummelchen & Weis 2005 , p. 424
  6. Potter 1985 , p. 345
  7. 1 2 3 Morison 1960 , p. 331
  8. Craven & Crate 1953 , p. 698
  9. Roskill 1961 , p. 374
  10. Frank 1999 , p. 158

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References

Coordinates: 34°14′N132°33′E / 34.23°N 132.55°E / 34.23; 132.55