Amphibious warfare are still operating. On completion they were towed across the English Channel by tugs to the Normandy coast at only 4.3 Knots (8 km/h or 5 mph), built, operated and maintained by the Corps of Royal Engineers, under the guidance of Reginald D. Gwyther, who was appointed CBE for his efforts. By 9 June, just 3 days after D-Day, two harbours codenamed Mulberry "A" and "B" were constructed at Omaha Beach and Arromanches, respectively. However, a large storm on 19 June destroyed the American harbour at Omaha, leaving only the British harbour still intact but damaged, which included damage to
No. 6 Commando No. 6 Commando took part in was Operation Torch, the Allied landings in Algeria in November 1942. Later, it joined the advance into Tunisia in 1943. On 6 June 1944, it participated in the D-Day landings in France as part of Operation Overlord, coming ashore with the 1st Special Service Brigade which was tasked with linking up with the troops from the 6th Airborne Division on the eastern flank of Sword. Following this, No. 6 Commando were used in the defence of the beachhead and the subsequent operations to break out from Normandy before being withdrawn with the rest of