Operation Matador (1941)

Operation Matador was a plan of the British Malaya Command to move forces into position to counter a Japanese amphibious attack on Malaya.

In 1937, Major-General William Dobbie, Officer Commanding Malaya (1935–1939), looked at Malaya's defences and reported that during the monsoon season, from October to March, landings could be made by an enemy on the east coast and bases could be established in Siam (Thailand). He predicted that landings could be made at Songkhla and Pattani in Siam, and Kota Bharu in Malaya. He recommended large reinforcements to be sent immediately. His predictions turned out to be correct, but his recommendations were ignored.

In August 1941, the Commander-in-Chief (CinC) of British Far East Command Air Chief Marshal Robert Brooke-Popham submitted a plan, codenamed Matador, to London for approval (PRO record FO 371/28163). The plan relied on the assumption that the Japanese would land on the east coast of Siam at Songkhla and Pattani, then advance south to Jitra and Kroh. It was envisaged that two forces could intercept them just over the border in Thailand, long enough for the main force to assemble and attack. However, there were several problems with the plan. In January 1941, a request for additional resources remained unfulfilled that the plan intended to use and the previous year Sir Josiah Cosby, the British Ambassador in Siam, signed a non-aggression pact with Prime Minister Pibul of Siam.

On 5 December 1941, when the threat of Japanese invasion became more likely, the plan was modified to use the forces available. It was to be put into action as soon as an attack was imminent. If an enemy attacked or was invited into Siam, troops under British command would rush to Songkhla and defend it against a seaborne attack. This job was allocated to Major-General Murray-Lyon's Indian 11th Infantry Division who also had to defend Jitra. These two tasks over-stretched his resources, and made his objectives difficult to accomplish.

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