NASA astronaut Kjell Lindgren made several appearances in the DC area April 25-29, to share highlights of his recent five-month mission aboard the International Space Station. On Tuesday morning at the Smithsonian National Air and Space Museum, he showed imagery from his spaceflight and answered questions. That evening Lindgren threw out the first pitch at Nationals Park before the Major League Baseball game between Washington and Philadelphia. He also attended the Tech Day on Capitol Hill event on Thursday that highlighted technology development and research being conducted on the station to help NASA achieve its future missions. Also, The Future is Here Festival, Astronauts Test Drive New Simulators, Korean U.S. Air Quality Mission Preps, NASA Helps Forecast Zika Risk, and International Space Apps Challenge!