Unity (ISS module)
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The Unity connecting module, also known as Node 1, is the first U.S.-built component of the International Space Station (ISS). It connects the Russian and United States segments of the station, and is where crew eat meals together.
Unity as pictured by Space Shuttle Endeavour
This image of the International Space Station (ISS) was taken when Space Shuttle Atlantis (STS-106) approached the ISS. At the bottom is the Russian Progress supply ship that is linked with Zvezda module. The Zvezda is connected with the Zarya module. The U.S. built Unity module is seen at the top.
![Interior of Node 1 (As of 2005[update])](https://upload.wikimedia.org/wikipedia/commons/thumb/3/34/Unity_module_interior.jpg/600px-Unity_module_interior.jpg)
Interior of Node 1 (As of 2005[update])
Node 3 (Tranquility) in space
International Space Station
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The International Space Station (ISS) is a large space station assembled and maintained in low Earth orbit by a collaboration of five space agencies and their contractors: NASA, Roscosmos (Russia), JAXA (Japan), ESA (Europe), and CSA (Canada). The ISS is the largest space station ever built. Its primary purpose is to perform microgravity and space environment experiments.
Oblique underside view in November 2021
Comet Lovejoy photographed by Expedition 30 commander Dan Burbank
Expedition 8 Commander and Science Officer Michael Foale conducts an inspection of the Microgravity Science Glovebox
Fisheye view of several labs and the Space Shuttle