NASA Astronauts Carry Out 300th U.S. Spacewalk

Astronauts Chris Cassidy and Robert Behnken conducted their final spacewalk outside the International Space Station, performing maintenance tasks and preparing for future installations. This marked their fourth spacewalk in a month and tied them for the most spacewalks by American astronauts. Behnken, aboard the SpaceX Crew Dragon, is set to return to Earth with Doug Hurley, marking the first manned splashdown in 45 years.

What tasks did astronauts Chris Cassidy and Robert Behnken perform during their spacewalk?

• Installed a robotics tool and prepared a module for a new airlock

• Repaired a satellite

• Conducted a space experiment

• Installed a new solar panel

How many spacewalks have Chris Cassidy and Robert Behnken completed in their careers?

• 12

• 8

• 5

• 10

What significant achievement did Chris Cassidy and Robert Behnken reach with their recent spacewalk?

• First spacewalk on the moon

• Most spacewalks conducted by any astronauts

• Tied for the most spacewalks conducted by American astronauts

• Longest spacewalk in history

Which spacecraft was Robert Behnken aboard for his mission to the International Space Station?

• Apollo 11

• Space Shuttle Atlantis

• SpaceX Crew Dragon

• Soyuz MS-10

What historic event is set to occur with the return of Robert Behnken and Doug Hurley to Earth?

• First manned mission to Mars

• First international space station docking

• First manned splashdown in 45 years

• First spacewalk on the moon