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Erhard Maertens or Eberhard Maertens (26 February 1891 – 5 May 1945) was a German Vizeadmiral of the Kriegsmarine during World War II. From 16 June 1941 to 5 May 1943, he was Chief of Office of Naval Intelligence, Naval War Command (German: Marinekommandoamt) in the Oberkommando der Marine. Maertens was known for underestimating British intelligence, and specifically, overrating the security of the Naval Enigma cipher machine. In 1941, he held a naval enquiry into the strength of Naval Enigma security after the capture of U-boat U-570, and attributed all the suspicious losses in U-boats at the time to the British Huff-Duff. In the second enquiry, ordered by the Commander-in-Chief of the Navy (German: Oberbefehlshaber der Kriegsmarine) Karl Dönitz, in May 1943, he investigated a number of a

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  • Erhard Maertens (* 26. Februar 1891 in Glogau, Schlesien; † 5. Mai 1945 in Berlin) war während des Zweiten Weltkriegs ein Offizier der deutschen Kriegsmarine, zuletzt im Rang eines Vizeadmirals. Von Juni 1941 bis Mai 1943 war er Chef des Marinenachrichtendienstes (MND). (de)
  • Erhard Maertens or Eberhard Maertens (26 February 1891 – 5 May 1945) was a German Vizeadmiral of the Kriegsmarine during World War II. From 16 June 1941 to 5 May 1943, he was Chief of Office of Naval Intelligence, Naval War Command (German: Marinekommandoamt) in the Oberkommando der Marine. Maertens was known for underestimating British intelligence, and specifically, overrating the security of the Naval Enigma cipher machine. In 1941, he held a naval enquiry into the strength of Naval Enigma security after the capture of U-boat U-570, and attributed all the suspicious losses in U-boats at the time to the British Huff-Duff. In the second enquiry, ordered by the Commander-in-Chief of the Navy (German: Oberbefehlshaber der Kriegsmarine) Karl Dönitz, in May 1943, he investigated a number of areas, which exculpated Enigma security in the end, for the second time, incorrectly blaming British 9.7 centimetre centimetric radar for the massive losses in U-boats by mid 1943. (en)
  • Ергард Мертенс (нім. Erhard Maertens; 26 лютого 1891, Глогау — 5 травня 1945, Берлін) — німецький військово-морський діяч, віце-адмірал крігсмаріне (1 вересня 1942). (uk)
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  • Germany
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  • Naval Academy Mürwik
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  • 55305310 (xsd:integer)
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  • 19779 (xsd:nonNegativeInteger)
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  • 1891-02-26 (xsd:date)
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  • Erhard Maertens, before May 1945 (en)
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  • 1945-05-05 (xsd:date)
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  • Erhard Maertens (en)
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  • Eberhard Maertens (en)
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  • Erhard Maertens (* 26. Februar 1891 in Glogau, Schlesien; † 5. Mai 1945 in Berlin) war während des Zweiten Weltkriegs ein Offizier der deutschen Kriegsmarine, zuletzt im Rang eines Vizeadmirals. Von Juni 1941 bis Mai 1943 war er Chef des Marinenachrichtendienstes (MND). (de)
  • Ергард Мертенс (нім. Erhard Maertens; 26 лютого 1891, Глогау — 5 травня 1945, Берлін) — німецький військово-морський діяч, віце-адмірал крігсмаріне (1 вересня 1942). (uk)
  • Erhard Maertens or Eberhard Maertens (26 February 1891 – 5 May 1945) was a German Vizeadmiral of the Kriegsmarine during World War II. From 16 June 1941 to 5 May 1943, he was Chief of Office of Naval Intelligence, Naval War Command (German: Marinekommandoamt) in the Oberkommando der Marine. Maertens was known for underestimating British intelligence, and specifically, overrating the security of the Naval Enigma cipher machine. In 1941, he held a naval enquiry into the strength of Naval Enigma security after the capture of U-boat U-570, and attributed all the suspicious losses in U-boats at the time to the British Huff-Duff. In the second enquiry, ordered by the Commander-in-Chief of the Navy (German: Oberbefehlshaber der Kriegsmarine) Karl Dönitz, in May 1943, he investigated a number of a (en)
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  • Erhard Maertens (de)
  • Erhard Maertens (en)
  • Ергард Мертенс (uk)
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  • Erhard Maertens (en)
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