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This NASA TV video grab shows US astronaut Kate Rubins viewed near the docking port on August 19, 2016 at the International Space Station.
With more private spaceship traffic expected at the International Space Station in the coming years, two US astronauts embarked on a spacewalk Friday to install a special parking spot for them. The spacewalk began at 8:04 (1204 GMT) when Americans Jeff Williams and Kate Rubins switched their spacesuits to internal battery power. Shortly afterward, they made their way outside the orbiting laboratory to begin the work of attaching an international docking adaptor, launched aboard a SpaceX Dragon cargo ship last month.
 / AFP PHOTO / NASA TV / Lizabeth MENZIES /
With more private spaceship traffic expected at the International Space Station in the coming years, two US astronauts embarked on a spacewalk Friday to install a special parking spot for them.
19 Aug