Explanation:In 2015, NASA announced Sunita Williams as one of the four astronauts who have been selected by NASA for commercial space flights that will return American launches to US soil and further open up low-Earth orbit transportation to the private sector.Indian-born NASA astronaut Sunita Williams holds the records for most spacewalk time by a woman with 50 hours and 40 minutes outside the International Space Station (ISS).She was the second American astronaut of Indian heritage to go into space after Kalpana Chawla.Additional InformationKalpana Chawla was the first Indian woman to travel in space.Ravish Malhotra served as a backup for Rakesh Sharma on the Soyuz T-11.Yuri Gagarin was the first person to go into space.Neil Armstrong was the first person to land on the Moon.