Zarya (ISS module)

Zarya

Zarya as seen by Space Shuttle Endeavour during STS-88
Module statistics
COSPAR ID	1998-067A
Launch date	20 November 1998 (25 years ago)
Launch vehicle	Proton-K
Mass	19,323 kg (42,600 lb)[a]
Length	12.56 m (41.2 ft)
Diameter	4.11 m (13.5 ft)
Configuration
Parts of Zarya[b]

Zarya (Russian: Заря, lit. 'Dawn'^[c]), also known as the Functional Cargo Block (Russian: Функционально-грузовой блок), was the inaugural component of the International Space Station (ISS). Launched on 20 November 1998 atop a Proton-K rocket, the module would serve as the ISS's primary source of power, propulsion, and guidance during its early years. As the station has grown, Zarya's role has transitioned primarily to storage, both internally and in its external fuel tanks.^[2] A descendant of the TKS spacecraft used in the Salyut programme, Zarya was built in Russia but its construction was financed by the United States. Its name, meaning "dawn," symbolizes the beginning of a new era of international space cooperation.^[3]

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