BEIJING China's launch of a new heavy-lift rocket, the Long March-5 Y2, carrying what the government said was its heaviest ever satellite, failed on Sunday, official news agency Xinhua said.
It is not clear how the timetable for that mission could be affected by the failed launch.
United Launch Alliance, a partnership of Lockheed Martin Corp and Boeing Co , for the first time beat Elon Musk's SpaceX in competition for an Air Force satellite launch, both launch companies said on Friday.
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