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{{Short description|1945 British attack on Japanese oil refineries}}
{{more citations needed|date=April 2015}}
{{more citations needed|date=April 2015}}


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== Background ==
== Background ==
In August 1944, [[Operation Boomerang]] the USAF had used [[Boeing B-29 Superfortress]] heavy bombers against the refineries to cut the supply of fuel to the Japanese. The attack had been largely unsuccessful but had shown B-29s could lay naval mines.
At the end of 1944 Rear Admiral Sir [[Philip Vian]] had deployed the aircraft carriers ''Indomitable,'' ''Indefatigable'' and ''Victorious'' for an air attack ([[operation Robson]]) against a refinery at [[Port of Belawan|Belawan Deli]], in North Sumatra<ref name=":0">{{Cite web |title=HMS Illustrious, Illustrious-class Fleet Aircraft Carrier |url=https://www.naval-history.net/xGM-Chrono-04CV-Illustrious.htm |access-date=2023-09-15 |website=Service Histories of Royal Navy Warships in World War 2 |first=Lt Cdr Geoffrey B |last=Mason |editor=Gordon Smith |date=14 October 2010}}</ref>{{Sfn|Roskill|1961|p=309}} The carrier squadrons had exchanged their [[Fairey Barracuda]] aircraft for US-supplied [[Grumman TBF Avenger|Grumman Avengers]] which, due to their radial engines, had better performance in the hot climate.

At the end of 1944, Rear Admiral Sir [[Philip Vian]] had deployed the aircraft carriers ''Indomitable,'' ''Indefatigable'' and ''Victorious'' for an air attack ([[operation Robson]]) against a refinery at [[Port of Belawan|Belawan Deli]], in North Sumatra<ref name=":0">{{Cite web |title=HMS Illustrious, Illustrious-class Fleet Aircraft Carrier |url=https://www.naval-history.net/xGM-Chrono-04CV-Illustrious.htm |access-date=2023-09-15 |website=Service Histories of Royal Navy Warships in World War 2 |first=Lt Cdr Geoffrey B |last=Mason |editor=Gordon Smith |date=14 October 2010}}</ref>{{Sfn|Roskill|1961|p=309}} The carrier squadrons had exchanged their [[Fairey Barracuda]] aircraft for US-supplied [[Grumman TBF Avenger|Grumman Avengers]] which, due to their radial engines, had better performance in the hot climate.


The two refineries at Pelambang were the largest in South East Asia and could supply Japan with three-quarters of its aviation fuel needs.
The two refineries at Pelambang were the largest in South East Asia and could supply Japan with three-quarters of its aviation fuel needs.


The attacks would be made by aircraft from the British Task Force 63, en route to [[Sydney]], Australia, where it would translate into the [[British Pacific Fleet]]{{Efn|And subsequently participated in the support of the Allied invasion of Okinawa ([[Operation Iceberg]])}} . Refuelling at sea was needed and this was supplied by Task Force 69 of the [[British Eastern Fleet]] - three tankers and their escort.
The attacks would be made by aircraft from the British Task Force 63 of the [[British Pacific Fleet]], en route to [[Sydney]], Australia, where it would then be deployed in the Pacific {{Efn|And subsequently participated in the support of the Allied invasion of Okinawa ([[Operation Iceberg]])}} . Refuelling at sea was needed and this was supplied by Task Force 69 of the [[British Eastern Fleet]] - three tankers and their escort.


Task Force 63 left [[Trincomalee]] in [[British Ceylon|Ceylon]] on 13 January 1945, for Sumatra. On 20 January, Task Force 63 rendezvoused with Task Force 69 and refuelled with great difficulty because of gusting winds and a troublesome swell. The oilers complained of much pumping gear being damaged.{{citation needed|date=April 2015}}
Task Force 63 left [[Trincomalee]] in [[British Ceylon|Ceylon]] on 13 January 1945, for Sumatra. On 20 January, Task Force 63 rendezvoused with Task Force 69 and refuelled with great difficulty because of gusting winds and a troublesome swell. The oilers complained of much pumping gear being damaged.{{citation needed|date=April 2015}}


== Meridian I ==
== Meridian I ==
The first attack - against the oil refinery at Pladjoe, north of Palembang, Sumatra - was delayed by poor weather from 21 January and the fleet waited off [[Enggano Island]]. The attack was finally launched at 6am on 24 January with a lack of wind making take-off more risky.<ref name="DF">{{cite web |date=18 July 2010 |title=Obituary:Lieutenant-Commander David Foster |url=https://www.telegraph.co.uk/news/obituaries/military-obituaries/naval-obituaries/7897263/Lieutenant-Commander-David-Foster.html |url-access=subscription |access-date=18 July 2010 |work=The Sunday Telegraph}}</ref>
The first attack - against the oil refinery at Pladjoe, north of Palembang, Sumatra - was delayed by poor weather from 21 January and the fleet waited off [[Enggano Island]]. The attack was finally launched at 6 am on 24 January with a lack of wind making take-off more risky.<ref name="DF">{{cite web |date=18 July 2010 |title=Obituary:Lieutenant-Commander David Foster |url=https://www.telegraph.co.uk/news/obituaries/military-obituaries/naval-obituaries/7897263/Lieutenant-Commander-David-Foster.html |url-access=subscription |access-date=18 July 2010 |work=The Sunday Telegraph}}</ref>


Forty-three [[Grumman TBF Avenger|Grumman Avenger]] [[torpedo bomber]]s, twelve [[Fairey Firefly]] fighter-bombers with rockets and fifty [[Grumman F6F Hellcat|Grumman Hellcat]], [[Vought F4U Corsair|Vought Corsair]] and [[Supermarine Seafire]] fighters were launched. Japanese aircraft intercepted the force but the bombers approached with the sun behind them and dived from 9,000 feet to 3,000 feet to release their bombs.<ref name="DF" /> Despite the presence of [[Barrage balloon|barrage balloons]] the refinery was successfully attacked.<ref name="DF" /> Losses were heavier than on previous raids; 7 aircraft were lost due to enemy action and 25 to crash landings.<ref name=":0" /> The Avenger squadrons that participated included [[820 Naval Air Squadron|820]], [[849 Naval Air Squadron|849]], [[854 Naval Air Squadron|854]] and [[857 Naval Air Squadron|857]] Naval Air Squadrons.<ref>{{cite web |date=19 February 2016 |title=849 squadron celebrate Palembang battle honour |url=http://www.royalnavy.mod.uk/news-and-latest-activity/news/2016/february/19/160219-849-squadron-celebrate-palembang-battle-honour |url-status=dead |archive-url=https://web.archive.org/web/20160222204838/http://www.royalnavy.mod.uk/news-and-latest-activity/news/2016/february/19/160219-849-squadron-celebrate-palembang-battle-honour |archive-date=2016-02-22 |website=royalnavy.mod.uk}} </ref>
Forty-three [[Grumman TBF Avenger|Grumman Avenger]] [[torpedo bomber]]s, twelve [[Fairey Firefly]] fighter-bombers with rockets and fifty [[Grumman F6F Hellcat|Grumman Hellcat]], [[Vought F4U Corsair|Vought Corsair]] and [[Supermarine Seafire]] fighters were launched. Japanese aircraft intercepted the force but the bombers approached with the sun behind them and dived from 9,000 feet to 3,000 feet to release their bombs.<ref name="DF" /> Despite the presence of [[Barrage balloon|barrage balloons]] the refinery was successfully attacked.<ref name="DF" /> Losses were heavier than on previous raids; 7 aircraft were lost due to enemy action and 25 to crash landings.<ref name=":0" /> The Avenger squadrons that participated included [[820 Naval Air Squadron|820]], [[849 Naval Air Squadron|849]], [[854 Naval Air Squadron|854]] and [[857 Naval Air Squadron|857]] Naval Air Squadrons.<ref>{{cite web |date=19 February 2016 |title=849 squadron celebrate Palembang battle honour |url=http://www.royalnavy.mod.uk/news-and-latest-activity/news/2016/february/19/160219-849-squadron-celebrate-palembang-battle-honour |url-status=dead |archive-url=https://web.archive.org/web/20160222204838/http://www.royalnavy.mod.uk/news-and-latest-activity/news/2016/february/19/160219-849-squadron-celebrate-palembang-battle-honour |archive-date=2016-02-22 |website=royalnavy.mod.uk}} </ref>
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The fleet refuelled and replenished on 26–27 January. In practice, this was unsatisfactory as, with a mixture of poor weather and inexperience, the tankers suffered damage as ships failed to keep station and hoses parted.{{citation needed|date=April 2015}}
The fleet refuelled and replenished on 26–27 January. In practice, this was unsatisfactory as, with a mixture of poor weather and inexperience, the tankers suffered damage as ships failed to keep station and hoses parted.{{citation needed|date=April 2015}}


On 29 January, the second raid, this time against the oil refinery at [[Soengei Gerong]], [[Sumatra]], was undertaken. Despite poor visibility, the flying-off was delayed by less than half an hour and the air strike was made against the oil refinery. Forty-six Avengers bombed the refinery.{{Sfn|Roskill|1961|p=310}} At least 11 Japanese planes shot down in dogfights and another 30 destroyed on the ground at nearby airfields{{Sfn|Roskill|1961|p=310}}, for the loss of 16 British aircraft to the enemy and 25 to "other causes"{{Sfn|Roskill|1961|p=310}}. A small Japanese counterattack was attempted, but was defeated by the fighter cover and anti-aircraft fire Refinery output was stopped for two months and by the end of March the total output from the attacked refineries was only one third of capacity.{{Sfn|Roskill|1961|p=310}}
On 29 January, the second raid, this time against the oil refinery at [[Soengei Gerong]], [[Sumatra]], was undertaken. Despite poor visibility, the flying-off was delayed by less than half an hour and the air strike was made against the oil refinery. Forty-six Avengers bombed the refinery.{{Sfn|Roskill|1961|p=310}} At least 11 Japanese planes shot down in dogfights and another 30 destroyed on the ground at nearby airfields,{{Sfn|Roskill|1961|p=310}} for the loss of 16 British aircraft to the enemy and 25 to "other causes".{{Sfn|Roskill|1961|p=310}} A small Japanese counterattack was attempted, but was defeated by the fighter cover and anti-aircraft fire. Refinery output was stopped for two months and by the end of March the total output from the attacked refineries was only one third of capacity.{{Sfn|Roskill|1961|p=310}}


Task Force 63 refuelled from Task Force 69 for the final time on 30 January and sailed for [[Fremantle, Western Australia]] arriving on 4 February, while Task Force 69 returned to Trincomalee.
Task Force 63 refuelled from Task Force 69 for the final time on 30 January and sailed for [[Fremantle, Western Australia]] arriving on 4 February, while Task Force 69 returned to Trincomalee.
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{{Reflist}}
{{Reflist}}


*{{cite book |first= Captain S W |last=Roskill |author-link=Stephen Roskill |date=1961 |title=War at Sea 1939-1945, Volume 3: The Offensive, Part 2 |series= [[History of the Second World War|History of the Second World War:]] United Kingdom Military Series |publisher= HMSO}}
*{{cite book |first= Captain S W |last=Roskill |author-link=Stephen Roskill |date=1961 |title=War at Sea 1939-1945, Volume 3: The Offensive, Part 2 |series= [[History of the Second World War]]: United Kingdom Military Series |publisher= HMSO}}


==External links==
==External links==
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*[https://codenames.info/operation/meridian-i/ Operation Meridian I - Codenames : Operations of WW2]
*[https://codenames.info/operation/meridian-i/ Operation Meridian I - Codenames : Operations of WW2]
*[https://codenames.info/operation/meridian-ii/ Operation Meridian II - Codenames : Operations of WW2]
*[https://codenames.info/operation/meridian-ii/ Operation Meridian II - Codenames : Operations of WW2]
*[https://www.iwm.org.uk/collections/item/object/80013979 Farquhar, Stanley Colin (Oral history)] - IWM recording of participant


{{coord missing|Indonesia}}
{{coord missing|Indonesia}}

Latest revision as of 23:15, 17 March 2024

Black and white aerial photograph showing an industrial facility on fire
An oil refinery at Palembang on fire after being attacked by the Royal Navy in January 1945

Operation Meridian, also known as the "Palembang Raids" was part of a series of British air attacks directed at Japanese-held oil refineries near Palembang on Sumatra during the Second World War, Meridian had two phases: Meridian I on 24 January 1945 and Meridian II on 29 January. As a result, the critical aviation fuel output of the plants at Palembang was reduced by seventy-five percent.

Background[edit]

In August 1944, Operation Boomerang the USAF had used Boeing B-29 Superfortress heavy bombers against the refineries to cut the supply of fuel to the Japanese. The attack had been largely unsuccessful but had shown B-29s could lay naval mines.

At the end of 1944, Rear Admiral Sir Philip Vian had deployed the aircraft carriers Indomitable, Indefatigable and Victorious for an air attack (operation Robson) against a refinery at Belawan Deli, in North Sumatra[1][2] The carrier squadrons had exchanged their Fairey Barracuda aircraft for US-supplied Grumman Avengers which, due to their radial engines, had better performance in the hot climate.

The two refineries at Pelambang were the largest in South East Asia and could supply Japan with three-quarters of its aviation fuel needs.

The attacks would be made by aircraft from the British Task Force 63 of the British Pacific Fleet, en route to Sydney, Australia, where it would then be deployed in the Pacific [a] . Refuelling at sea was needed and this was supplied by Task Force 69 of the British Eastern Fleet - three tankers and their escort.

Task Force 63 left Trincomalee in Ceylon on 13 January 1945, for Sumatra. On 20 January, Task Force 63 rendezvoused with Task Force 69 and refuelled with great difficulty because of gusting winds and a troublesome swell. The oilers complained of much pumping gear being damaged.[citation needed]

Meridian I[edit]

The first attack - against the oil refinery at Pladjoe, north of Palembang, Sumatra - was delayed by poor weather from 21 January and the fleet waited off Enggano Island. The attack was finally launched at 6 am on 24 January with a lack of wind making take-off more risky.[3]

Forty-three Grumman Avenger torpedo bombers, twelve Fairey Firefly fighter-bombers with rockets and fifty Grumman Hellcat, Vought Corsair and Supermarine Seafire fighters were launched. Japanese aircraft intercepted the force but the bombers approached with the sun behind them and dived from 9,000 feet to 3,000 feet to release their bombs.[3] Despite the presence of barrage balloons the refinery was successfully attacked.[3] Losses were heavier than on previous raids; 7 aircraft were lost due to enemy action and 25 to crash landings.[1] The Avenger squadrons that participated included 820, 849, 854 and 857 Naval Air Squadrons.[4]

Meridian II[edit]

The fleet refuelled and replenished on 26–27 January. In practice, this was unsatisfactory as, with a mixture of poor weather and inexperience, the tankers suffered damage as ships failed to keep station and hoses parted.[citation needed]

On 29 January, the second raid, this time against the oil refinery at Soengei Gerong, Sumatra, was undertaken. Despite poor visibility, the flying-off was delayed by less than half an hour and the air strike was made against the oil refinery. Forty-six Avengers bombed the refinery.[5] At least 11 Japanese planes shot down in dogfights and another 30 destroyed on the ground at nearby airfields,[5] for the loss of 16 British aircraft to the enemy and 25 to "other causes".[5] A small Japanese counterattack was attempted, but was defeated by the fighter cover and anti-aircraft fire. Refinery output was stopped for two months and by the end of March the total output from the attacked refineries was only one third of capacity.[5]

Task Force 63 refuelled from Task Force 69 for the final time on 30 January and sailed for Fremantle, Western Australia arriving on 4 February, while Task Force 69 returned to Trincomalee.

Allied order of battle[edit]

The ships involved in Operation Meridian were:

Force 63: (Rear Admiral Philip Vian):

Force 69

See also[edit]

Notes[edit]

  1. ^ And subsequently participated in the support of the Allied invasion of Okinawa (Operation Iceberg)

References[edit]

  1. ^ a b Mason, Lt Cdr Geoffrey B (14 October 2010). Gordon Smith (ed.). "HMS Illustrious, Illustrious-class Fleet Aircraft Carrier". Service Histories of Royal Navy Warships in World War 2. Retrieved 15 September 2023.
  2. ^ Roskill 1961, p. 309.
  3. ^ a b c "Obituary:Lieutenant-Commander David Foster". The Sunday Telegraph. 18 July 2010. Retrieved 18 July 2010.
  4. ^ "849 squadron celebrate Palembang battle honour". royalnavy.mod.uk. 19 February 2016. Archived from the original on 22 February 2016.
  5. ^ a b c d Roskill 1961, p. 310.

External links[edit]