HMS Conundrum

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HMS Conundrum was the unofficial name given to the large drums used for laying the World War II Normandy landings PLUTO pipeline. [1] The drums were cone-ended, hence the abbreviation CONUN and were used in the sea, hence subsequent ship HMS Conundrum nickname. [2] They were 30 feet in diameter and weighed 250 tons. [2] [3] [4] [5]

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