Astronauts Peggy Whitson and Jack Fischer conclude 200th spacewalk!
The spacewalk was the ninth of Whitson's career. She holds the record for most spacewalks by a woman.
May 12, 2017, 23:34 PM ISTHistoric 200th spacewalk delayed after NASA discovers water leak!
Spacewalks usually last about six and a half hours, but Friday's would be "abbreviated" due to the late start and would last about four hours.
May 12, 2017, 21:10 PM IST