Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to swab the orbiting lab for evidence of microorganisms.

The nearly 5.5-hour feat set a record for astronaut Sunita Williams, who became the woman with the most time spent on spacewalks in history

In a post on X Tuesday, Musk blamed former president Biden and his administration for the delay in the astronauts' return.