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The following graph is a timeline of spacecraft in orbit for the International Space Station. Long blue bars represent the modules and major components of the ISS. Green bars indicate a crewed Soyuz Spacecraft. The yellow bars indicate other crafts that docked at the International Space Station, including the Russian Proton Launcher, the Russian modified Soyuz Launcher, the European ATV and Japanese Kounotori robot spacecraft (HTV), the American Space Shuttle, the Russian Progress cargo spaceships, and the American Dragon spacecraft and Cygnus spacecraft.