US-A

Upravlyaemy Sputnik Aktivnyy, or US-A, also known in the Western world as Radar Ocean Reconnaissance Satellite or RORSAT, was a series of 33 Soviet reconnaissance satellites. Launched between 1967 and 1988 to monitor NATO and merchant vessels using radar, the satellites were powered by nuclear reactors.

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reconnaissance satellite, 
Dong Fang Hong 2, reconnaissance satellite, 

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Frameless

Type	Subtype	Date	Description	Notes	Source