Operation Jaywick

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Operation Jaywick
Part of the Japanese occupation of Singapore during World War II
Krait (AWM 067338).jpg
The MV Krait, used to infiltrate Singapore.
Date26 September 1943
Location
Singapore Harbour
Result Allied victory
Belligerents
Merchant flag of Japan (1870).svg  Empire of Japan Z Special Unit
Commanders and leaders
N/A Flag of the United Kingdom.svg Ivan Lyon
Flag of Australia (converted).svg Hubert Edward Carse
Strength
N/A 14 commandos and sailors
1 fishing boat
Casualties and losses
3 ships sunk
3 ships damaged		 None

Operation Jaywick was a special operation undertaken in World War II. In September 1943, 14 commandos and sailors from the Allied Z Special Unit raided Japanese shipping in Singapore Harbour, sinking six ships.

Contents

Background

Krait, the vessel which carried the men of Z Special Unit on Operation Jaywick, the successful raid on Singapore Harbour on the night of 26 September 1943. AWM 044211.jpg
Krait, the vessel which carried the men of Z Special Unit on Operation Jaywick, the successful raid on Singapore Harbour on the night of 26 September 1943.

Special Operations Australia (SOA), a combined Allied military intelligence organisation, was established in March 1942. SOA operated under the cover name Inter-Allied Services Department (IASD). It contained several British SOE officers who had escaped from Japanese occupied Singapore, and they formed the nucleus of the IASD, which was based in Melbourne. In June 1942, a commando arm was organised as Z Special Unit (which was later commonly known as Z Force). It drew its personnel primarily from the Australian Army and Royal Australian Navy.

In 1943, a 28-year-old British officer, Captain (later Major) Ivan Lyon (of the Allied Intelligence Bureau and Gordon Highlanders), and a 61-year-old Australian civilian, Bill Reynolds, devised a plan to attack Japanese shipping in Singapore Harbour. Commandos would travel to the harbour in a vessel disguised as an Asian fishing boat. They would then use folboats (collapsible canoes) to attach limpet mines to Japanese ships.

Initial training for the raid was organised and carried out by Major Lyon and Captain Davidson at Refuge Bay. The site selected was a remote, inaccessible area along the Hawkesbury River, New South Wales and named 'Camp X' for the purpose. Folboats were essential for training the prospective operatives, however only two; a one-man and a two-man were found to be suitable after a thorough search in Australia by Military personnel. These were bought on the spot from the folboat builder Walter Hoehn after a test run on the Yarra River, Alphington by the head of the Inter Allied Services Department Colonel Mott and Major Moneypenny. A wooden rigid canoe was also built for Camp-X by trainees under the supervision of Davidson. [1]

Reynolds was in possession of a 21.3-metre (70 ft) Japanese coastal fish carrier, Kofuku Maru 幸福丸, which he had used to evacuate refugees from Singapore. Lyon ordered that the boat be shipped from India to Australia. Upon its arrival, he renamed the vessel Krait, after the small but deadly Asian snake.

The attack

The crew of Krait during Operation Jaywick Krait-crew.jpg
The crew of Krait during Operation Jaywick

In mid-1943, Krait travelled from a training camp at Broken Bay, New South Wales to Thursday Island. Aboard was a complement from Z Special Unit of three British and eleven Australian personnel, comprising:

On 13 August 1943, Krait left Thursday Island for Exmouth Gulf, Western Australia, where it was refuelled and repairs were undertaken. Not only did the repairs cause delays in departure, but the folboats, manufactured by Harris Lebus and designated as model MKI**, which had been specially ordered for the attack by Lyon from England only arrived at the last minute. They were found to be faulty, lacked some important parts and were not according to the design that Davidson had specified. They had to undergo many on-the-spot changes simply to make each framework fit together and then fit correctly into the outer skins. This left the crew little time to get accustomed to them before being loaded on to Krait. [2] [3] [4]

On 2 September 1943, Krait left Exmouth Gulf and departed for Singapore. The team's safety depended on maintaining the disguise of a local fishing boat. The men stained their skin brown with dye to appear more Asiatic and were meticulous in what sort of rubbish they threw overboard, lest a trail of European garbage arouse suspicion. During the journey, they suffered a snapped prop shaft, which had to be repaired by a passing US submarine, while the heavily laden craft was later almost sunk by a force nine gale. Krait arrived off Singapore on 24 September. That night, six men left the boat and paddled 50 kilometres (31 mi) with folboats to establish a forward base in a cave on a small island near the harbour. On the night of 25/26 September 1943, they paddled into the harbour and placed limpet mines on several Japanese ships before returning to their hiding spot.

The mines exploded early on 26 September, and were reported to have sunk seven Japanese transport ships, [5] comprising over 39,000 tons between them. The commandos waited until the commotion over the attack had subsided and then returned to Krait, which they reached on 2 October. Their return to Australia was mostly uneventful, except for a tense incident in the Lombok Strait when the ship was closely approached by Japanese auxiliary minesweeper Wa-102 on patrol; however Krait was not challenged. On 19 October, the ship and crew arrived safely back at Exmouth Gulf.

Recent analysis of results

Recent analysis of Japanese records and radio decrypts have identified only 6 ships sunk or damaged. Japanese radio messages reference only six ships attacked, and it is highly probable the attack on the seventh failed.

ShipAttackerTargetGross tonnageConfigurationOutcome
1Lyon/HustonShosei Maru5698Engines aft tankerDamaged
2Davidson/FallsNichiren Maru54603 island cargoDamaged
3Davidson/FallsUnknownNAEngines aft cargoNA
4Davidson/FallsArare Maru2770Engines aft tankerSunk/salvaged
5Page/JonesHakusan Maru21973 island cargoSunk
6Page/JonesNasusan Maru4399Engines aft tankerDamaged
7Page/JonesKizan Maru50713 island cargoSunk

The often repeated claim that the saboteurs sank the large high speed tanker Shinkoku Maru (Sinkoku Maru in kokutai spelling) is not supported by Japanese records that clearly show the ship leaving Truk (Chuuk), Carolines Islands on the day of the attack.

Raid repercussions

On ANZAC Day 1964 the MV Krait was dedicated a War Memorial; this plaque was affixed to its wheelhouse. Krait plaque.jpg
On ANZAC Day 1964 the MV Krait was dedicated a War Memorial; this plaque was affixed to its wheelhouse.

The raid took the Japanese authorities in Singapore completely by surprise. Never suspecting such an attack could be mounted from Australia, they assumed it had been carried out by local saboteurs, most likely pro-Communist Chinese guerillas. In their efforts to uncover the perpetrators, a wave of arrests, torture and executions began. Local Chinese and Malays, as well as interned POWs and European civilians were targeted in this programme. The incident became known as the Double Tenth, for 10 October, the day that Japanese secret police began the mass arrests.

Given the effects inflicted upon the local population by the Japanese, criticism has arisen as to whether Operation Jaywick was justified, especially with its relatively limited strategic results. [6] [7] After the raid the Allies never claimed responsibility for the attack on shipping, most likely because they wanted to preserve the secret of Krait for future similar missions. Therefore, the Japanese did not divert significant military resources to defending against such attacks, instead just using their secret police to enact reprisals against civilians.

Operation Jaywick was followed by Operation Rimau. Although three ships are sometimes claimed as sunk in this raid, no corroboration of this has ever been found and in all likelihood no vessels were sunk; but the participants, including Lyon, were either killed in action or captured and executed.

Australian novelist Ronald McKie wrote an account of the operation in 1961 titled The Heroes. [8] In 1989, a British/Australian miniseries dramatized McKie's book. The Heroes was directed by Donald Crombie, with the cast including Paul Rhys as Ivan Lyon, John Bach as Donald Davidson and Jason Donovan as 'Happy' Houston. [9]

See also

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References

  1. ↑ Hoehn 2011, pp. 7, 88, 90
  2. ↑ National Archives of Australia, A3269, E2A, 1944, p.34
  3. ↑ Silver 1992, p. 75
  4. ↑ Wynyard 1947, pp. 24–25
  5. ↑ "Operation Jaywick: 60th Anniversary". Department of Veterans Affairs. 26 September 2003. Archived from the original on 9 May 2008.
  6. ↑ Kwok, John; Ian Li Huiyuan (9 November 2018). "Remembering Operation Jaywick: Singapore's Asymmetric Warfare".
  7. ↑ "Operation Jaywick". 9 January 2019.
  8. ↑ "The Heroes, Ronald McKie". Australian War Memorial. Retrieved 25 August 2018.
  9. ↑ "The Heroes (1980)". IMDB. 2 April 1989. Retrieved 25 August 2018.

Cited works

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