Zenit (satellite)
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Zenit was a series of military photoreconnaissance satellites launched by the Soviet Union between 1961 and 1994. To conceal their nature, all flights were given the public Kosmos designation.
Zenit re-entry capsule, showing camera ports
Reconnaissance satellite
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A reconnaissance satellite or intelligence satellite is an Earth observation satellite or communications satellite deployed for military or intelligence applications.
A list of the types of U.S. reconnaissance satellites deployed from 1960 onward
Aerial view of Osama bin Laden's compound in the Pakistani city of Abbottabad made by the CIA.
KH-4B Corona satellite
U.S. Lacrosse radar spy satellite under construction