Eberhard Köllner (born 29 September 1939 in Stassfurt, Germany) was selected for Soyuz 31 as the backup for Sigmund Jähn.^[1]

You can help expand this article with text translated from the corresponding article in German. (September 2022) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Eberhard Köllner]]; see its history for attribution. You should also add the template {{Translated|de|Eberhard Köllner}} to the talk page. For more guidance, see Wikipedia:Translation.

You can help expand this article with text translated from the corresponding article in Russian. (September 2022) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Russian Wikipedia article at [[:ru:Кёльнер, Эберхард]]; see its history for attribution. You should also add the template {{Translated|ru|Кёльнер, Эберхард}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts Born, Nationality ...

Eberhard Köllner
Born	(1939-09-29) 29 September 1939 (age 84) Stassfurt, Germany
Nationality	German
Space career
Missions	Soyuz 31 (backup)
Mission insignia

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He later became the Director of the Airforce Academy of the German Democratic Republic in the rank of an Oberst ("Colonel"), following the reunion of Germany he refused to be transferred to the (West) German Bundeswehr. He is currently working in private industries.