Two NASA astronauts aboard the space station are about to embark on a fiery fall through the atmosphere and into the ocean.
Bob Benken and Doug Hurley became the first people to appear on SpaceX’s new spacecraft, Crew Dragon, on May 30. It was the first crew launched from American soil in July 2011 and the first launch of a commercial spacecraft with people inside.
But now comes the hard part: bringing them back to Earth.
Benken and Hurley must board the Crew Dragon again and return through the atmosphere, a voyage that will require the spacecraft to withstand temperatures up to 3,500 degrees Fahrenheit.
SpaceX CEO Elon Musk said the fall to Earth is what worries him most about the Demo-2 mission.