NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station.
NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station.
NASA astronaut Christina Koch conducts her fourth spacewalk at the International Space Station with fellow NASA astronaut Jessica Meir
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NASA astronauts Jessica Meir (left) and Christina Koch (right) put on their spacesuits as they prepare to leave the hatch…
NASA astronauts Jessica Meir (left) and Christina Koch (right) put on their spacesuits as they prepare to leave the hatch…
The International Space Station Expedition 61 crew pauses for a photo as NASA Astronauts Jessica Meir and Christina Koch prepare…
President Donald Trump spoke to the astronauts from the Roosevelt Room at the White House.
