If the company SpaceX succesfully docks its Dragon capsule to the international space station, it will not only mark a new era in commercial space transportation but also provide a viable alternative for NASA to take cargo and potentially crew to the orbital outpost without using the Russian-made Soyuz capsule. Read related article.

Sources: NASA, Space Exploration Technologies | Graphic by Alberto Cuadra / The Washington Post May 21, 2012
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