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Loading contentAlso known as FGB, Functional Cargo Block
Zarya, the Functional Cargo Block, was the first module of the International Space Station, providing early power and propulsion. It was built in Russia but funded by and belongs to the United States.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
Russian crewed and robotic spaceflight history and programs.