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Japanese cruiser Mogami (1934)

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Mogami running trials in 1935.jpg
Mogami running trials in 1935
History
Empire of Japan
NameMogami
NamesakeMogami River
Ordered1931 Fiscal Year
BuilderKure Naval Arsenal
Laid down27 October 1931
Launched14 March 1934
Commissioned28 July 1935
Stricken20 December 1944
FateScuttled, 25 October 1944, after Battle of the Surigao Strait Coordinates: 09°40′N 124°50′E / 9.667°N 124.833°E / 9.667; 124.833
General characteristics
Class and typeMogami-class cruiser
Displacement
  • 8,500 tons (official, initial)
  • 13,670 tons (final)
Length
  • 197 metres (646 ft) (initial)
  • 198 metres (650 ft) (final)
Beam
  • 18 metres (59 ft) (initial)
  • 20.2 metres (66 ft) (final)
Draught
  • 5.5 metres (18 ft) (initial)
  • 5.89 metres (19.3 ft) (final)
Propulsion
  • 4-shaft geared turbines
  • 10 Kampon boilers
  • 152,000 shp (113,000 kW)
Speed
  • 37-knot (69 km/h) (initial)
  • 35.5 knots (65.7 km/h) (final)
Range8,000 nmi (15,000 km) at 14 knots (26 km/h)
Complement850
Armament
Armor
  • Belt 100–125 mm (3.9–4.9 in)
  • Deck 35–60 mm (1.4–2.4 in)
  • Turret 25 mm (0.98 in)
Aircraft carried

Mogami (最上) was the lead ship in the four-vessel Mogami class of heavy cruisers in the Imperial Japanese Navy. She was named after the Mogami River in Tōhoku region of Japan. The Mogami-class ships were constructed as "light cruisers" (per the London Naval Treaty) with five triple 155 mm dual purpose guns. They were exceptionally large for light cruisers, and the barbettes for the main battery were designed for quick refitting with twin 8-inch guns. In 1937 all four ships were "converted" to heavy cruisers in this fashion.[3] Mogami served in numerous combat engagements in World War II, until she was sunk at the Battle of Leyte Gulf in October 1944.

Discover more about Japanese cruiser Mogami (1934) related topics

Lead ship

Lead ship

The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels.

Mogami-class cruiser

Mogami-class cruiser

The Mogami class (最上型) was a ship class of four cruisers built for the Imperial Japanese Navy (IJN) during the 1930s. They were initially classified as light cruisers under the weight and armament restrictions of the London Naval Treaty. After Japan abrogated that agreement, all four ships were rearmed with larger guns and reclassified as heavy cruisers. All participated in World War II and were sunk.

Heavy cruiser

Heavy cruiser

The heavy cruiser was a type of cruiser, a naval warship designed for long range and high speed, armed generally with naval guns of roughly 203 mm (8 inches) in calibre, whose design parameters were dictated by the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930. The heavy cruiser is part of a lineage of ship design from 1915 through the early 1950s, although the term "heavy cruiser" only came into formal use in 1930. The heavy cruiser's immediate precursors were the light cruiser designs of the 1900s and 1910s, rather than the armoured cruisers of the years before 1905. When the armoured cruiser was supplanted by the battlecruiser, an intermediate ship type between this and the light cruiser was found to be needed—one larger and more powerful than the light cruisers of a potential enemy but not as large and expensive as the battlecruiser so as to be built in sufficient numbers to protect merchant ships and serve in a number of combat theatres.

Imperial Japanese Navy

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender in World War II. The Japan Maritime Self-Defense Force (JMSDF) was formed between 1952–1954 after the dissolution of the IJN.

Mogami River

Mogami River

The Mogami River is a river in Yamagata Prefecture, Japan.

Tōhoku region

Tōhoku region

The Tōhoku region , Northeast region, or Northeast Japan consists of the northeastern portion of Honshu, the largest island of Japan. This traditional region consists of six prefectures (ken): Akita, Aomori, Fukushima, Iwate, Miyagi, and Yamagata.

Japan

Japan

Japan is an island country in East Asia. It is situated in the northwest Pacific Ocean and is bordered on the west by the Sea of Japan, extending from the Sea of Okhotsk in the north toward the East China Sea, Philippine Sea, and Taiwan in the south. Japan is a part of the Ring of Fire, and spans an archipelago of 14,125 islands covering 377,975 square kilometers (145,937 sq mi); the five main islands are Hokkaido, Honshu, Shikoku, Kyushu, and Okinawa. Tokyo is the nation's capital and largest city, followed by Yokohama, Osaka, Nagoya, Sapporo, Fukuoka, Kobe, and Kyoto.

Light cruiser

Light cruiser

A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to this smaller cruisers had been of the protected cruiser model, possessing armored decks only. While lighter and smaller than other contemporary ships they were still true cruisers, retaining the extended radius of action and self-sufficiency to act independently around the world. Through their history they served in a variety of roles, primarily as convoy escorts and destroyer command ships, but also as scouts and fleet support vessels for battle fleets.

London Naval Treaty

London Naval Treaty

The London Naval Treaty, officially the Treaty for the Limitation and Reduction of Naval Armament, was an agreement between the United Kingdom, Japan, France, Italy, and the United States that was signed on 22 April 1930. Seeking to address issues not covered in the 1922 Washington Naval Treaty, which had created tonnage limits for each nation's surface warships, the new agreement regulated submarine warfare, further controlled cruisers and destroyers, and limited naval shipbuilding.

Barbette

Barbette

Barbettes are several types of gun emplacement in terrestrial fortifications or on naval ships.

World War II

World War II

World War II or the Second World War, often abbreviated as WWII or WW2, was a global conflict that lasted from 1939 to 1945. The vast majority of the world's countries, including all of the great powers, fought as part of two opposing military alliances: the Allies and the Axis. Many participants threw their economic, industrial, and scientific capabilities behind this total war, blurring the distinction between civilian and military resources. Aircraft played a major role, enabling the strategic bombing of population centres and the delivery of the only two nuclear weapons ever used in war.

Battle of Leyte Gulf

Battle of Leyte Gulf

The Battle of Leyte Gulf was the largest naval battle of World War II and by some criteria the largest naval battle in history, with over 200,000 naval personnel involved. It was fought in waters near the Philippine islands of Leyte, Samar, and Luzon from 23 to 26 October 1944 between combined American and Australian forces and the Imperial Japanese Navy (IJN), as part of the invasion of Leyte, which aimed to isolate Japan from the colonies that it had occupied in Southeast Asia, a vital source of industrial and oil supplies.

Background and design

Built under the Maru-1 Naval Armaments Supplement Programme, the Mogami-class cruisers were designed to the maximum limits allowed by the Washington Naval Treaty, using the latest technology. This resulted in the choice of the dual purpose (DP) 15.5 cm/60 3rd Year Type naval guns as the main battery in five triple turrets capable of 55° elevation. These were the first Japanese cruisers with triple turrets.[4] Secondary armament included eight 12.7 cm/40 Type 89 naval guns in four twin turrets, and 24 Type 93 Long Lance torpedoes in four rotating triple mounts.

To save weight, electric welding was used, as was aluminum in the superstructure, and a single funnel stack. New geared impulse turbine engines, driving four shafts with three-bladed propellers gave a top speed of 35 knots (65 km/h; 40 mph), which was better than most contemporary cruiser designs and the Mogami class had twin balanced rudders, rather than the single rudder of previous Japanese cruiser designs.[4]

The class was designed from the start to be upgraded into heavy cruisers with the replacement of their main battery with 20 cm/50 3rd Year Type naval guns in twin turrets.[4]

However, in initial trials in 1935, Mogami and Mikuma were plagued with technical problems due to their untested equipment, welding defects, and also proved to be top-heavy with stability problems in heavy weather. Both vessels, and their yet-to-be-completed sisters, Kumano and Suzuya underwent a complete and very costly rebuilding program. Once rebuilt, the design, with its very high speed, armor protection, and heavy armament was among the best in the world during World War II.[4]

Discover more about Background and design related topics

1st Naval Armaments Supplement Programme

1st Naval Armaments Supplement Programme

The 1st Naval Armaments Supplement Programme , otherwise known as the "Circle One" plan was the first of four expansion plans of the Imperial Japanese Navy between 1930 and the start of World War II.

15.5 cm/60 3rd Year Type naval gun

15.5 cm/60 3rd Year Type naval gun

The 15.5 cm/60 3rd Year Type was a dual-purpose naval gun used by the Imperial Japanese Navy on the Yamato-class battleships as secondary armament in four triple turrets, the Mogami-class cruisers in five triple turrets and on the light cruiser Ōyodo in two triple turrets. The Tone-class cruisers were also initially planned to carry the 15.5 cm/60 3rd Year Type in five triple turrets, but were redesigned with the 20 cm/50 3rd Year Type in four twin turrets. They were also deployed on 60° single mounts as coastal defense guns in the Tokyo Bay area. Construction was of the monobloc type with autofretting and used a Welin breech block mechanism which could be operated either hydraulically or by hand. Their slow rate of fire, limited elevation and slow traverse made them unsuitable for the AA role, but they were an excellent anti-ship weapon.

Main battery

Main battery

A main battery is the primary weapon or group of weapons around which a warship is designed. As such, a main battery was historically a gun or group of guns, as in the broadsides of cannon on a ship of the line. Later, this came to be turreted groups of similar large-caliber naval rifles. With the evolution of technology the term has come to encompass guided missiles as a vessel's principal offensive weapon, deployed both on surface ships and submarines.

Gun turret

Gun turret

A gun turret is a mounting platform from which weapons can be fired that affords protection, visibility and ability to turn and aim. A modern gun turret is generally a rotatable weapon mount that houses the crew or mechanism of a projectile-firing weapon and at the same time lets the weapon be aimed and fired in some degree of azimuth and elevation.

12.7 cm/40 Type 89 naval gun

12.7 cm/40 Type 89 naval gun

The 12.7 cm/40 Type 89 naval gun was a Japanese anti-aircraft (AA) gun introduced before World War II. It was the Imperial Japanese Navy's standard heavy AA gun during the war.

Funnel

Funnel

A funnel is a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening.

Knot (unit)

Knot (unit)

The knot is a unit of speed equal to one nautical mile per hour, exactly 1.852 km/h. The ISO standard symbol for the knot is kn. The same symbol is preferred by the Institute of Electrical and Electronics Engineers (IEEE), while kt is also common, especially in aviation, where it is the form recommended by the International Civil Aviation Organization (ICAO). The knot is a non-SI unit. The knot is used in meteorology, and in maritime and air navigation. A vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour.

Heavy cruiser

Heavy cruiser

The heavy cruiser was a type of cruiser, a naval warship designed for long range and high speed, armed generally with naval guns of roughly 203 mm (8 inches) in calibre, whose design parameters were dictated by the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930. The heavy cruiser is part of a lineage of ship design from 1915 through the early 1950s, although the term "heavy cruiser" only came into formal use in 1930. The heavy cruiser's immediate precursors were the light cruiser designs of the 1900s and 1910s, rather than the armoured cruisers of the years before 1905. When the armoured cruiser was supplanted by the battlecruiser, an intermediate ship type between this and the light cruiser was found to be needed—one larger and more powerful than the light cruisers of a potential enemy but not as large and expensive as the battlecruiser so as to be built in sufficient numbers to protect merchant ships and serve in a number of combat theatres.

20 cm/50 3rd Year Type naval gun

20 cm/50 3rd Year Type naval gun

Third year type 20 cm/50 caliber guns formed the main battery of Japan's World War II heavy cruisers. These guns were also mounted on two early aircraft carriers. The typical installation was ten 20 cm/50 guns; although Tone-class cruisers carried eight while Furutaka and Aoba-class cruisers carried six. After modernization, Akagi carried only six.

Japanese cruiser Mikuma

Japanese cruiser Mikuma

Mikuma was a heavy cruiser of the Imperial Japanese Navy. The second vessel in the four-ship Mogami class, she was laid down in 1931 and commissioned in 1935. During World War II she participated in the Battle of Sunda Strait in February 1942 and the Battle of Midway in June 1942, being sunk the last day of the latter engagement, on 6 June.

Japanese cruiser Kumano

Japanese cruiser Kumano

Kumano (熊野) was one of four Mogami class of heavy cruisers in the Imperial Japanese Navy, serving in World War II. She was named after the Kumano River Kii Peninsula on the island of Honshu in central Japan. The Mogami-class ships were constructed as "light cruisers" with five triple 6.1-inch dual purpose guns. They were exceptionally large for light cruisers, and the barbettes for the main battery were designed for quick refitting with twin 8-inch guns. In 1937 all four ships were "converted" to heavy cruisers in this fashion. Kumano served in numerous combat engagements in the Pacific War, until she was eventually sunk by carrier aircraft from Task Force 38 while she was undergoing repairs at Santa Cruz, Zambales, Philippines, in November 1944.

Japanese cruiser Suzuya (1934)

Japanese cruiser Suzuya (1934)

Suzuya (鈴谷) was the third of four vessels in the Mogami class of heavy cruisers in the Imperial Japanese Navy. She was named after the Suzuya River on Karafuto, (Sakhalin).

Service career

Early career

Mogami in July 1935, shortly after commissioning
Mogami in July 1935, shortly after commissioning

Mogami was laid down on 27 October 1931, launched on 14 March 1934 and completed at Kure Naval Arsenal on 28 July 1935.[5] Her first captain was Captain Tomoshige Samejima, formerly captain of the cruiser Kitakami, who oversaw her completion and remained captain until November 1935. He was followed by Captain Seiichi Itō, until April 1936. Mogami was commanded by Captain Shunji Isaki from November 1939 to January 1941.

Mogami was damaged in a 1935 typhoon as part of the Fourth Fleet incident.[6] In mid-1941, Mogami participated in the occupation of Cochinchina, French Indochina, from its forward operating base on Hainan after Japan and Vichy French authorities reached an understanding on use of air facilities and harbors from July 1941. At the time of the attack on Pearl Harbor, Mogami was assigned to cover the Japanese invasion of Malaya as part of Cruiser Division 7 under Vice Admiral Jisaburo Ozawa's First Southern Expeditionary Fleet, providing close support for landings of Japanese troops at Singora, Pattani and Kota Bharu.[3]

In December 1941, Mogami was tasked with the invasion of Sarawak, together with Mikuma, covering landings of Japanese troops at Kuching.[7] In February 1942, Mogami was assigned to cover the landings of Japanese troops in Java, Borneo and Sumatra. On 10 February, Mogami and Chōkai were attacked by the submarine USS Searaven, which fired four torpedoes, all of which missed.

The Battle of Sunda Strait

At 2300 on 28 February 1942, Mikuma and Mogami, destroyer Shikinami, light cruiser Natori and destroyers Shirakumo, Murakumo, Shirayuki, Hatsuyuki and Asakaze engaged the cruisers USS Houston and HMAS Perth with gunfire and torpedoes after the Allied vessels attacked Japanese transports in the Sunda Strait. Both Houston and Perth were sunk during the engagement, as was Japanese transport Ryūjō Maru with IJA 16th Army commander Lieutenant General Hitoshi Imamura aboard.[3]

In March, Mogami and Cruiser Division 7 were based out of Singapore to cover Japanese landings on the Bangka Island off of Sumatra and the seizure of the Andaman Islands.[5]

Indian Ocean Raids

From 1 April 1942 Cruiser Division 7 based from Mergui, Burma joined with Cruiser Division 4 to participate in the Indian Ocean raids against Allied shipping. Mikuma, Mogami and destroyer Amagiri detached and formed the "Southern Group", which hunted for merchant shipping in the Bay of Bengal, while Chōkai, Destroyer Squadron 4's light cruiser Yura and the destroyers Ayanami, Yūgiri, Asagiri and Shiokaze covered the northern areas. During the operation, the "Southern Group" claimed kills on the 7,726-ton British passenger ship Dardanus, the 5,281-ton British steamship Ganara, and the 6,622-ton British merchant vessel Indora,[8] en route from Calcutta to Mauritius.

On 22 April, Cruiser Division 7 returned to Kure, and Mogami went into dry dock for overhaul. On 26 May, Cruiser Division 7 arrived at Guam to provide close support for Rear Admiral Raizō Tanaka's Midway Invasion Transport Group.[5]

Battle of Midway

On 5 June, Admiral Isoroku Yamamoto, CINC of the Combined Fleet ordered Cruiser Division 7 to shell Midway Island in preparation for a Japanese landing. Cruiser Division 7 and DesDiv 8 were 410 miles (660 km) away from the island, so they made a high-speed dash at 35 knots (65 km/h). The sea was choppy and the destroyers lagged behind. At 2120, the order was canceled. However, this dash placed Cruiser Division 7 within torpedo range of the submarine USS Tambor, which was spotted by Kumano, which signaled a 45° simultaneous turn to port to avoid possible torpedoes. The emergency turn was correctly executed by the flagship and Suzuya, but the third ship in the line, Mikuma, erroneously made a 90° turn. Behind her, Mogami turned 45° as commanded. This resulted in a collision in which Mogami rammed Mikuma's portside, below the bridge. Mogami's bow caved in and she was badly damaged.[3] Mikuma's portside oil tanks ruptured and she began to spill oil, but otherwise her damage was slight. Arashio and Asashio were ordered to stay behind and escort Mogami and Mikuma. At 0534, retiring Mikuma and Mogami were bombed from high altitude by eight USAAF Boeing B-17 Flying Fortresses from Midway, but they scored no hits. At 0805, six USMC Douglas SBD Dauntless dive-bombers and six Vought SB2U Vindicators from Midway attacked Mikuma and Mogami but they only achieved several near-misses.[5]

Bridge view of Mogami's damaged bow, following her collision with Mikuma at Midway. The tanker Nichiei Maru is seen ahead.
Bridge view of Mogami's damaged bow, following her collision with Mikuma at Midway. The tanker Nichiei Maru is seen ahead.

The following morning, 6 June 1942, Mikuma and Mogami were heading for Wake Island when they were attacked by three waves of 31 SBD Dauntless dive-bombers from the aircraft carriers USS Enterprise and Hornet. Mikuma was hit by at least five bombs and set afire. Her torpedoes ignited and the resultant explosions destroyed the ship. Arashio and Asashio were each hit by a bomb. Mogami was hit by six bombs. Her No. 5 turret was destroyed and 81 crewmen were killed. However, Lieutenant Commander Masayushi Saruwatari had jettisoned torpedoes and other explosives, making it easier to save the cruiser when it was hit by a bomb near the torpedo tubes.[3]

Respite in Japan

Mogami rejoined Cruiser Division 7 on 8 June and was repaired at Truk. On 20 June, Rear Admiral Shoji Nishimura assumed command of Cruiser Division 7, and Cruiser Division 7 was transferred to the Third Fleet. Mogami returned to Japan, and underwent a major conversion at Sasebo Naval Arsenal from 25 August to an aircraft cruiser to improve the fleet's reconnaissance capabilities. Her No. 4 turret and the damaged No. 5 turret were removed and her aft magazines modified to serve as gasoline tanks and munitions storage. Her aft deck was extended and fitted with a rail system to accommodate the planned stowage of 11 Aichi E16A Zuiun ("Paul") reconnaissance floatplanes. The dual Type 96 25 mm AT/AA Gun and Type 93 13-mm machine guns were replaced by 10 triple mount Type 96s and a Type 21 air-search radar. As the new E16A aircraft were not yet available, three older Mitsubishi F1M2 Type 0 ("Pete") two-seat biplanes and four Aichi E13A1 Type O ("Jake") three-seat reconnaissance floatplanes were embarked. Rebuilding was completed on 30 April 1943, and Mogami was re-commissioned into the First Fleet. .[5]

On 22 May, Mogami collided with oiler Toa Maru in Tokyo Bay and was damaged slightly. On 8 June, while at Hashirajima, Mogami was moored near the battleship Mutsu when the latter exploded and sank. Mogami sent boats to rescue survivors, but they found none.[5]

Japanese planes onboard Mogami's newly installed flight deck
Japanese planes onboard Mogami's newly installed flight deck

On 9 July 1943, Mogami departed Japan for Truk, with a major convoy of troops and supplies; the task force was unsuccessfully attacked by the submarine USS Tinosa, and after reaching Truk, continued on to Rabaul.[5]

From August through November, Mogami made numerous sorties from its base at Truk in search of the American fleet and in response to American probing attacks into the Marshall Islands. From 3 November, Cruiser Divisions 4, 7 and 8 were assigned to the Solomon Islands front, to attack American forces off Bougainville. While at anchor at Rabaul on 5 November, Mogami was attacked by a SBD Dauntless dive-bomber from the aircraft carrier USS Saratoga and hit by a 500 lb (227 kg) bomb.[3] She was set on fire and 19 crewmen were killed.[5]

After repairs at Truk by the repair vessel Akashi, Mogami was ordered back to Japan. While at Kure from 22 December eight more Type 96 single-mount 25-mm AA guns were installed on the aft deck, bringing the total to 38 barrels. Refit was completed by 8 March 1944, and Mogami returned to Singapore a week later.[5]

Battle of the Philippine Sea

Mogami in 1944, after conversion into an aircraft cruiser
Mogami in 1944, after conversion into an aircraft cruiser

On 13 June 1944, Admiral Soemu Toyoda, CINC, Combined Fleet, activated the "A-Go" plan for the defense of the Mariana Islands. Mogami was assigned to Rear Admiral Takatsugu Jojima's "Force B" with the carriers Jun'yō, Hiyō and Ryūhō and battleship Nagato, deployed behind Vice Admiral Kurita's "Vanguard Force C".[5]

At 0530 on 19 June, Mogami launched two reconnaissance floatplanes. Later in the day, the Mobile Fleet's aircraft attacked Task Force 58 off Saipan, but suffered overwhelming losses in the "Great Marianas Turkey Shoot". At 2030 on 20 June, two hours after she was hit by torpedoes by Grumman TBM Avengers from the aircraft carrier USS Belleau Wood, Hiyō exploded and sank. That night, Mogami retired with the remnants of the Japanese fleet to Okinawa, and from there to Hashirajima.[5]

Back in Kure on 25 June 1944, Mogami was refitted once again. Four triple-mount and ten single-mount Type 96 25-mm AA guns were installed, bringing the total to 60 barrels (14×3 and 18×1) and a Type 22 surface search radar and Type 13 air-search radar were fitted. On 8 July, Mogami departed Kure via Okinawa and Manila back for Singapore and Brunei, and was involved in fleet training and patrols in the Singapore-Brunei area through October.[5]

Battle of Leyte Gulf

In late October, the Japanese fleet assembled in Brunei in response to the threatened American invasion of the Philippines. In the morning of 24 October 1944, Vice Admiral Nishimura ordered the launch of Mogami's floatplane to reconnoiter Leyte Gulf. The plane reported sighting four battleships, two cruisers and about 80 transports off the landing area and four destroyers and several torpedo boats near Surigao Strait. In addition, the scout reported twelve carriers and ten destroyers 40 miles (64 km) southeast of Leyte. The Japanese task force was attacked in the Sulu Sea by 26 aircraft from the carriers USS Enterprise and Franklin. Mogami was damaged slightly by strafing and rockets.[5]

Battle of Surigao Strait

On 25 October, between 0300-0330, the Japanese force was attacked by American PT boats and destroyers. Battleships Fusō and Yamashiro were hit by torpedoes. The destroyer Yamagumo was sunk, and the destroyer Michishio disabled, but Mogami was not hit. Fusō and Yamashiro both later sank. Between 0350–0402 hours on 25 October, after entering the Surigao Strait, Mogami was struck by four 8-inch (200 mm) shells from the heavy cruiser USS Portland, which destroyed both the bridge and the air defense center. Both the captain and executive officer were killed on the bridge, and the chief gunnery officer assumed command. While attempting to retire southward, the flagship of Admiral Shima, Nachi, collided with Mogami. Nachi's bow was damaged and she began to flood. Mogami was holed starboard above the waterline, but fires ignited five torpedoes that exploded and disabled her starboard engine.[3] Between 0530-0535, the crippled Mogami was hit again by ten to twenty 6-inch and 8-inch shells from the cruisers Portland, Louisville and Denver.[3] At 0830, Mogami's port engine broke down. At 0902, while adrift, she was attacked by 17 TBF Avenger torpedo-bombers from Task Group 77.4.1 and was hit by two 500-lb. bombs.[5]

At 1047, Mogami's crew abandoned ship, and she stayed afloat for the next two hours. At 1240, the destroyer Akebono scuttled her with a single Type 93 "Long Lance" torpedo. She finally sank at 1307, at 09°40′N 124°50′E / 9.667°N 124.833°E / 9.667; 124.833. Akebono rescued 700 survivors, but 192 crewmen perished with the ship.[3]

Mogami was removed from the Navy List on 20 December 1944.[5]

Discover more about Service career related topics

Keel laying

Keel laying

Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship.

Kure Naval Arsenal

Kure Naval Arsenal

Kure Naval Arsenal was one of four principal naval shipyards owned and operated by the Imperial Japanese Navy.

Tomoshige Samejima

Tomoshige Samejima

Vice Admiral Baron Tomoshige Samejima , was an admiral in the Imperial Japanese Navy during World War II.

Japanese cruiser Kitakami

Japanese cruiser Kitakami

Kitakami (北上) was a Kuma-class cruiser in the Imperial Japanese Navy, named after the Kitakami River in Iwate Prefecture, Japan.

Seiichi Itō

Seiichi Itō

Seiichi Itō was an admiral in the Imperial Japanese Navy and the flag officer of the task force centered around the battleship Yamato on her final mission towards the end of World War II.

Shunji Isaki

Shunji Isaki

Shunji Isaki was an admiral in the Imperial Japanese Navy during World War II.

Cochinchina

Cochinchina

Cochinchina or Cochin-China (, ; Vietnamese: Đàng Trong is a historical exonym for part of Vietnam, depending on the contexts. Sometimes it referred to the whole of Vietnam, but it was commonly used to refer to the region south of the Gianh River.

French Indochina

French Indochina

French Indochina, officially known as the Indochinese Union and after 1947 as the Indochinese Federation, was a grouping of French colonial territories in Southeast Asia until its demise in 1954. It comprised Cambodia, Laos, the Chinese territory of Guangzhouwan, and the Vietnamese regions of Tonkin in the north, Annam in the centre, and Cochinchina in the south. The capital for most of its history (1902–1945) was Hanoi; Saigon was the capital from 1887 to 1902 and again from 1945 to 1954.

Hainan

Hainan

Hainan is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea. Hainan Island, the largest and most populous island in China, makes up the vast majority (97%) of the province. The name means "south of the sea", reflecting the island's position south of the Qiongzhou Strait, which separates it from Leizhou Peninsula and the China mainland.

Attack on Pearl Harbor

Attack on Pearl Harbor

The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, just before 8:00 a.m. on Sunday, December 7, 1941. The United States was a neutral country at the time; the attack led to its formal entry into World War II the next day. The Japanese military leadership referred to the attack as the Hawaii Operation and Operation AI, and as Operation Z during its planning.

Pattani, Thailand

Pattani, Thailand

Pattani is a town in the far south of Thailand, near the border with Malaysia. It is the capital of Pattani Province. The city has a population of 44,353 (2018). It covers the whole tambon Sabarang, Anoru and Chabang Tiko of Mueang Pattani district.

Kota Bharu

Kota Bharu

Kota Bharu colloquially referred to as KB, is a town in Malaysia that serves as the state capital and royal seat of Kelantan. It is situated in the northeastern part of Peninsular Malaysia and lies near the mouth of the Kelantan River.

Wreck

The wreck of Mogami was located by RV Petrel on 8 May 2019 at a depth of 1,450 m (4,760 ft).[9]

Source: "Japanese cruiser Mogami (1934)", Wikipedia, Wikimedia Foundation, (2023, March 1st), https://en.wikipedia.org/wiki/Japanese_cruiser_Mogami_(1934).

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Sources
  1. ^ a b Watts, Japanese Warships of World War II, p. 99
  2. ^ Campbell, Naval Weapons of World War Two, pp. 185-187
  3. ^ a b c d e f g h i Whitley, Cruisers of World War Two, pp. 181-184
  4. ^ a b c d Patton, Japanese Heavy Cruisers of World War Two, pp. 47-52
  5. ^ a b c d e f g h i j k l m n o Parshall, Jon; Bob Hackett; Sander Kingsepp; Allyn Nevitt. "Mogami Tabular record of movements". Combinedfleet.com. Retrieved 14 June 2006.
  6. ^ "Naval War in China". Combined Fleet. Retrieved 31 January 2023.
  7. ^ L, Klemen (1999–2000). "The Invasion of British Borneo in 1942". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942. Archived from the original on 1 April 2015.
  8. ^ L, Klemen (1999–2000). "Allied Merchant Ship Losses in the Pacific and Southeast Asia". Forgotten Campaign: The Dutch East Indies Campaign 1941-1942.
  9. ^ https://www.facebook.com/pg/rvpetrel/photos/?tab=album&album_id=2578421032193362
References
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