Imagine a professional football team relying on another football team to train its players, transport its equipment and develop its plays. This system may work fine — until one team needs to beat the other.
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Christopher Smithmyer: How Russian relations could spell the end of the US space program
Photographers take pictures as Russia's Soyuz MS-10 spacecraft carrying the members of the International Space Station (ISS) expedition 57/58, Russian cosmonaut Alexey Ovchinin and NASA astronaut Nick Hague, blasts off to the ISS from the launch pad at the Russian-leased Baikonur cosmodrome in Baikonur on Oct. 11, 2018.