NASA astronaut Sunita Williams and Butch Wilmore made a 5.5-hour spacewalking record. They broke the record of former astronaut Peggy Whitson.

NASA astronauts Suni Williams and Butch Wilmore were able to remove a stuck radio communications unit on a record-setting spacewalk on Thursday (Jan. 30).

Nasa astronauts Sunita Williams and Butch Wilmore completed a record-setting 5.5-hour spacewalk outside the ISS, adding to Williams' impressive achiev