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The official embroidered crew patch for the International Space Station Expedition 31 crew.
Thin crescents along the horizons of Earth and its moon depict International Space Station (ISS) Expedition 31. The shape of the patch represents a view of our galaxy. The black background symbolizes the research into dark matter, one of the scientific objectives of Expedition 31. At the heart of the patch are Earth, its moon, Mars, and asteroids, the focus of current and future exploration. The ISS is shown in an orbit around Earth, with a collection of stars for the Expedition 30 and 31 crews. The small stars symbolize the visiting vehicles that will dock with the complex during this expedition.