For the first time ever, an all-female crew will conduct a spacewalk As part of Expedition 59, NASA astronauts Anne McClain (left) and Christina Koch are expected to carry out the spacewalk at the International Space Station, which will last about seven hours, on March 29. McClain and Koch will have support on the ground from Canadian Space Agency flight controller Kristen Facciol, who tweeted in reaction to the news: “I can not contain my excitement!!!!” (: Tass/Getty Images)