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| | ISS Systems |
 | | This robotic system plays a key role in space station assembly and maintenance by moving equipment and supplies around the station, releasing and capturing satellites, supporting astronauts working in space, and servicing instruments and other payloads attached to the space station. |
 | | The system is designed to reduce the time it will take to assemble, service, supply, and run the station, and to increase safety by reducing the number of spacewalks required to get those jobs done. |
 | | The Russian system is generally responsible for Guidance, which constitutes telling the ISS which route to follow from point A to point B. The Navigation portion of the U.S. Guidance, Navigation and Control system primarily relies on the Global Positioning System (or GPS) data to determine ISS position, velocity and attitude. |
| aerospacescholars.jsc.nasa.gov /HAS/cirr/ss/4/5.cfm (2616 words) |
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