Mulberry Harbour. Was going to be used in the D DAY Landings. It broke up while towing it, back in 1942
One-and-a-half miles off Thorpe Bay, a Phoenix caisson, its back broken, stands on a sandbank. The massive bulk is in two seaweed-encrusted pieces lying end to end orientated NW/SE. The larger of the two is approximately 115 feet (35 m) long; the smaller is 85 feet (26 m) long. The width is around 32 feet (9.75 m)and height up to 20 feet (6 m).
Single Use – The One Use Licence means the User has the right to use the Content once
Multiple Use – The Multiple Use Licence means there is no expiry or end date on the User’s right to use the Content and the User can use the Content an unlimited amount of times