Students watch a video about NASA astronaut Joe Acaba during a STEM in 30 event, Wednesday, June 27, 2018 at Smithsonian's National Air and Space Museum in Washington. Photo Credit: (NASA/Aubrey Gemignani)
Students watch a video about NASA astronaut Joe Acaba during a STEM in 30 event, Wednesday, June 27, 2018 at Smithsonian's National Air and Space Museum in Washington. Photo Credit: (NASA/Aubrey Gemignani)