page_title: US Orbital Segment
hierarchical_section_title: US Orbital Segment
caption_attribution_description: English: Heavily modified image. The Russian Orbital Segment has been darkened.
context_page_description: The US Orbital Segment is the name given to the components of the International Space Station constructed and operated by the United States National Aeronautics and Space Administration, European Space Agency, Canadian Space Agency and Japan Aerospace Exploration Agency. The segment currently consists of eleven pressurized components and various external elements, all of which were delivered by the Space Shuttle.
  The segment is monitored and controlled from various mission control centers around the world including Johnson Space Center in Houston, Texas, Columbus Control Centre in Oberpfaffenhofen, Germany, Tsukuba Space Center in Tsukuba, Japan, and Marshall Space Flight Center in Huntsville, Alabama. However, it depends on the Russian Orbital Segment for essential flight control, orbital station-keeping and life support systems.
context_section_description: The US Orbital Segment (USOS) is the name given to the components of the International Space Station (ISS) constructed and operated by the United States National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA) and Japan Aerospace Exploration Agency (JAXA). The segment currently consists of eleven pressurized components and various external elements, all of which were delivered by the Space Shuttle.
  The segment is monitored and controlled from various mission control centers around the world including Johnson Space Center in Houston, Texas, Columbus Control Centre in Oberpfaffenhofen, Germany, Tsukuba Space Center in Tsukuba, Japan, and Marshall Space Flight Center in Huntsville, Alabama. However, it depends on the Russian Orbital Segment for essential flight control, orbital station-keeping and life support systems.
caption: The US Orbital Segment with Space Shuttle docked. Zarya is also a NASA module but it is manufactured by Russia
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