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
Scuttling of the French fleet at Toulon the French fleet would be largely disarmed and confined to its harbours, under French control. The Allies were concerned that the fleet, which included some of the most advanced warships of the time, might fall into enemy hands and so the British attacked the French Fleet at Mers-el-Kebir on 3 July 1940 and at the Battle of Dakar on 23 September 1940. On 8 November 1942 the Allies invaded French North Africa (Operation Torch). It may be that General Dwight Eisenhower, with the support of President of the United States Franklin D. Roosevelt and British Prime Minister Winston Churchill, made