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Zarya was the first module of the International Space Station (ISS) to be launched into orbit. It was a Russian-built module, funded by the U.S., and launched on November 20, 1998. Zarya's primary functions were to provide attitude control and solar power for the nascent station. It was followed shortly by the U.S.-built Unity node, and these two components were connected by astronauts, marking the beginning of the ISS's assembly in space. The ISS has been continuously occupied since November 2, 2000.1234

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