Orlets-1 or Don (GRAU index 17F12) was a Russian (previously Soviet) reconnaissance satellite.
[1][2] Orlets-1 was developed after the Yantar-2K satellite was deemed incapable of providing strategic warning of attack.
It drew on features of an existing draft project called Yantar-6K.
Equipped with a wide-spectrum panoramic camera and carrying eight film return capsules, Orlets-1 had a design life of 60 days.
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