Dybbøl
Dybbøl is a small town with a population of 2,339 (1 January 2022)Düppel (Berlin), a forest and neighbourhood in Berlin, Germany
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Chaff (radar countermeasure)
Chaff, originally called Window by the British and ''Düppel'' by the Second World War era German Luftwaffe (from the Berlin suburb where it was first developed), is a radar countermeasure in which aircraft or other targets spread a cloud of ...
, historically known as Düppel after the neighborhood in which it was developed during World War 2
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