• 

  Category:Military satellites – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Military_satellites?uselang=de

  Keine Beschreibung vorhanden.

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  Kosmos-1 / -3 / -3M

  http://space.skyrocket.de/doc_lau/kosmos-3.htm

  Gunter's Space Page - Information on Launch vehicles, Satellites, Space Shuttle and Astronautics

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