Hubble Tool Time Episode 5: Servicing Mission 3B

The video features NASA astronaut John Grunsfeld and EVA engineer Ed Rezak discussing the challenges and solutions involved in servicing the Hubble Space Telescope. They highlight the 2002 mission, which involved shutting down Hubble to repair its power system. The team developed a high torque PCU tool to handle connectors in space, ensuring successful repairs. The video concludes with the successful reactivation of Hubble, emphasizing the importance of innovative tool design for space missions.

What new insight or understanding did you gain from this video?