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Noreen

Noreen on display at Bletchley Park museum

Noreen, or BID 590, was an off-line one-time tape cipher machine of British origin, and also used by Canada. It was widely used in diplomatic stations.

• Noreen was the name of a wooden dragger that was acquired by the U.S. Navy during World War II and converted into the minesweeper USS Heath Hen (AMc-6).

• Noreen is a common name in the Americas and the Middle East. Also spelt Naureen and Nowrin. In Arabic, the word means luminous.