Astronaut Peggy Whitson at NASM

NASA astronaut Peggy Whitson is seen during an interview, Friday, March 2, 2018 at the Smithsonian's National Air and Space Museum in Washington. Whitson spent 288 days onboard the International Space Station as a member of Expedition 50, 51, and 52, conducting four spacewalks and contributing to hundreds of experiments in biology, biotechnology, physical science and Earth science during her stay. Photo Credit: (NASA/Joel Kowsky)