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The Unity Module, the second module of the International Space Station, is launched.

Historical image related to The Unity Module, the second module of the International Space Station, is launched. from December 4, 1998

Unity (ISS module)

American module of the International Space Station

Unity, also known as Node 1, is the first U.S.-built component of the International Space Station (ISS). This cylindrical module, constructed of steel by Boeing for NASA, serves as the critical link between the orbiting laboratory's Russian Orbital Segment and US Orbital Segment.
Source: Wikipedia (CC BY-SA)

International Space Station

Inhabited space station in low Earth orbit

The International Space Station (ISS) is a large space station that was assembled and is maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA, Roscosmos (Russia), ESA (Europe), JAXA (Japan), and CSA (Canada). As the largest space…
Source: Wikipedia (CC BY-SA)