TOKYO -- When China landed a probe on Mars this month, President Xi Jinping hailed the success of the mission as well as the status of Beijing's burgeoning space program.
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China's space ambitions target satellites, a US vulnerability
American military's reliance on Earth orbit creates Achilles' heel
China's push into space is fueled by Beijing's goal to catch up to the U.S. (Nikkei montage/Reuters/AP)
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