Operation Myrmidon

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A man in a naval uniform addresses soldiers from a platform on a ship
Lord Louis Mountbatten addresses troops from No. 6 Commando prior to Operation Myrmidon, April 1942

Operation Myrmidon was the planned raid during the Second World War by No. 1 Commando and No. 6 Commando in April 1942. This operation was an abortive raid on the Adour Estuary in south-western France. [1] [2] The plan was to disrupt road and rail transport between France and Spain by landing approximately 3,000 troops, consisting of two commandos, No. 1 and No. 6, who would be followed up by one and a half Royal Marine battalions along with an armoured regiment and a motor battalion. [3] After embarking on the transport ships Queen Emma and Princess Beatrix, the force spent a month sailing off the French coast disguised as Spanish merchant ships. On 5 April the ships approached the mouth of the estuary in order to carry out the landing. However, amid bad weather, they encountered a sandbar that they had not expected and were unable to pass it; the raid was called off and the ships returned to the United Kingdom. [2] [4]

This operation is simulated on the PC wargame Panzer Corps Grand Campaign 42/43 West.


  1. Saunders 1959, p. 101.
  2. 1 2 Chappell 1996, p. 23.
  3. Macksey 1990, p. 109.
  4. Saunders 1959, p. 102.