WASHINGTON, April 17, 2019 /PRNewswire/ -- NASA and its International Space Station partners have set a new schedule and new crew assignments that will include the first flight of NASA astronaut Jessica Meir, an extended stay for NASA astronaut Andrew Morgan, and a record-setting flight for NASA astronaut Christina Koch. Koch, who arrived at the space station March 14, and now is scheduled to remain WASHINGTON, April 17, 2019 /PRNewswire/ -- NASA and its International Space Station partners have set a new schedule and new crew assignments that will include the first flight of NASA astronaut Jessica Meir, an extended stay for NASA astronaut Andrew Morgan, and a record-setting flight for NASA astronaut Christina Koch. Koch, who arrived at the space station March 14, and now is scheduled to remain