Astronaut James van Hoften, wearing his Shuttle launch and entry (LES) helmet, conducts a pre-breathing exercise on the forward flight deck of the Shuttle Challenger during the STS 41-C mission.
Information
Taken in
Space
Author
NASA
Description
Astronaut James van Hoften, wearing his Shuttle launch and entry (LES) helmet, conducts a pre-breathing exercise on the forward flight deck of the Shuttle Challenger during the STS 41-C mission.