Sunita “Suni” Williams and Barry “Butch” Wilmore, who have spent an unexpected eight months on the International Space Station (ISS)—took their first spacewalk together on Thursday. “Here we go,” said Wilmore as he emerged into space,

The four American astronauts aboard the ISS, including the Boeing Starliner crew, spoke to USA TODAY in an exclusive interview Tuesday.

Starliner co-pilot Sunita Williams is now the world's most experienced female spacewalker, moving up to number four overall.