Expedition 74 flight engineers Chris Williams and Jessica Meir replaced wrist joint on the station's workhorse manipulator.

La próxima caminata fuera del laboratorio orbital buscará solucionar una avería en el mecanismo responsable de tareas externas

Coverage will begin at 7:00 a.m. ET on Tuesday (June 30).

Astronaut Chris Williams shows off a “strong man” pose 260 miles above Earth during a break in work to repair the International Space Station’s robot arm. Image: NASA

Expedition 74 flight engineers Chris Williams and Jessica Meir replaced wrist joint on the station's workhorse manipulator.

The orbital surgery on the International Space Station returned the Canadian-built robot arm to full health after its "wrist" joint failed last month.

NASA astronauts step outside the ISS to replace faulty Canadarm2 wrist joint in 7-hour EVA