2020.07.16 17:22 GMT+8

Live: Spacewalking NASA astronauts upgrade ISS power system

Updated 2020.07.16 17:22 GMT+8
CGTN

Chris Cassidy and Robert Behnken, astronauts from the National Aeronautics and Space Administration (NASA), conduct a spacewalk at the International Space Station (ISS). The walk is expected to be the second last effort to conclude more than three years of upgrade of the station's power system. The final walk to finish the upgrade is scheduled for July 21.

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