NASA astronaut Robert Behnken rehearses putting on his SpaceX spacesuit in the Astronaut Crew Quarters inside the Neil A. Armstrong Operations and Checkout Building at the agency's Kennedy Space Center in Florida on May 23, 2020, during a full dress rehearsal ahead of NASA's SpaceX Demo-2 mission to the International Space Station. This will be SpaceX's final flight test for NASA's Commercial Crew Program. Behnken and fellow crew member Douglas Hurley will fly to the orbiting laboratory in a SpaceX Crew Dragon spacecraft, launching atop a Falcon 9 rocket from Kennedy's Launch Complex 39A. Liftoff is scheduled for 4:33 p.m. EDT on Wednesday, May 27. NASA Photo by Kim Shiflett/UPI