Tranquility Node

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Tranquility Node

Tranquility node and cupolaThe newly-installed Tranquility node and cupola are visible in this image photographed by an STS-130 crew member on space shuttle Endeavour after the station and shuttle began their post-undocking relative separation. Credit: NASA Tranquility was one of the last U.S. components added to the International Space Station.

The pressurized section provides additional room for crew members and many of the space station's life support and environmental control systems on board. These systems include air revitalization, oxygen generation and water recycling. A waste and hygiene compartment and a treadmill also are located there.

Tranquility is connected to the port side of the Unity node. It can provide additional docking points for vehicles visiting the station.

Tranquility was built for NASA by Thales Alenia Space in Turin, Italy, under contract to the European Space Agency. Spanning 22 feet in length, 14 feet in diameter, and weighing more than 39,000 pounds, the node was delivered to Kennedy Space Center aboard an Airbus "Beluga" aircraft in May 2009. Tranquility flew to the station and was installed on space shuttle Endeavour's STS-130 mission.

Tranquility Specifications
Length 22 feet
Diameter 14 feet
Mass 39,665 pounds
Launch date Feb. 8, 2010
Page Last Updated: October 18th, 2013
Page Editor: Jerry Wright