Sunita Williams visits India !

American astronaut of Indian origin Sunita Williams talks as she meets Indian school children in Kolkata, India, Tuesday, April 2, 2013. Williams is on a visit to India.

American astronaut of Indian origin Sunita Williams talks with Indian school children in Kolkata, India, Tuesday, April 2, 2013. Williams is on a visit to India.

American astronaut of Indian origin Sunita Williams delivers a lecture on Expedition 33 International Space Station Mission Challenges and Success in Kolkata, India, Tuesday, April 2, 2013. Williams is on a visit to India.

American astronaut of Indian origin Sunita Williams gestures during her interaction with Indian students at the National Science Center in New Delhi, India, Monday, April 1, 2013. Williams, 47, who lived and worked aboard the international space station for six months in 2006, is on a visit to India.

American astronaut of Indian origin Sunita Williams gestures during her interaction with Indian students at the National Science Center in New Delhi, India, Monday, April 1, 2013. Williams, 47, who lived and worked aboard the international space station for six months in 2006, is on a visit to India.

American astronaut of Indian origin Sunita Williams listens to a question during her interaction with Indian students at the National Science Center in New Delhi, India, Monday, April 1, 2013. Williams, 47, who lived and worked aboard the international space station for six months in 2006, is on a visit to India.