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Dieppe and D Day

The raid on Dieppe was the most ambitious raid on mainland Europe so far. Royal Marine Commandos and several battalions of Canadian Army troops took part.

During the raid the Royal Marine Commandos were to land on White Beach in support of the Essex Scottish.

They were then to pass through the town, reform and move southwest to attack the gun batteries on the cliffs from the south.

Plan showing where the different forces were to be deployed during the Dieppe Raid with the positions of defences plotted. (RMM)
Plan showing where the different forces were to be deployed during the Dieppe Raid with the positions of defences plotted. (RMM)

The raid did not go according to plan. Strong resistance from the heavily fortified seaport town and air attack led the Commando retreat soon after landing.

The Royal Marines lost 23 all ranks killed and 76 wounded, including those taken prisoner.

The raid was a disaster and cost many, especially Canadian, lives. Dieppe prompted Britain's military to re-assess the tactics for opposed landings on the continent.

The Combined Operations Experimental Establishment, or COXE, opened in May 1943. It undertook experimental work into beaches and tidal conditions in the North Devon area as the beaches closely resembled those of France.

In 1943 Mountbatten tasked the Royal Marines with manning the landing craft fleet, a role that has carried on to the present day.

Commandant General of the Royal Marines Lt General Hunton inspecting Support Craft and crews at Hamworthy in Dorset prior to the D Day Landings. (RMM)
Commandant General of the Royal Marines Lt General Hunton inspecting Support Craft and crews at Hamworthy in Dorset prior to the D Day Landings. (RMM)

The D Day landings on 6 June 1944 were the Royal Marines’ biggest contribution to World War Two.

Around 17 500 Marines took part in the landings. Royal Marines manned two thirds of the assault landing craft.

Most of the bombarding ships also had Marines of the fleet operating part of the main or secondary armament.

Four Royal Marine Commandos were involved in the initial assault, with a further Commando landing on D+1.

In addition, Marines formed an the Armoured Support Regiment and fought in tanks for the first time.

Pass of Marine F R Lardner, 5th (Indep) RM Armoured Support Battery. D Day 1944. (RMM)
Pass of Marine F R Lardner, 5th (Indep) RM Armoured Support Battery. D Day 1944. (RMM)