President Donald Trump, left, listens as NASA Administrator Jim Bridenstine talks about the first all-woman spacewalk, Friday, Oct. 18, 2019, from the Roosevelt Room of the White House in Washington. The first all-woman spacewalk in history began at 7:38am EDT with NASA astronauts Christina Koch and Jessica Meir venturing outside the International Space Station to replace a failed battery charge-discharge unit. This is the fourth spacewalk for Koch and Meir’s first. Photo Credit: (NASA/Bill Ingalls)