Why astronauts train underwater before walking in the void of space
In short: Before heading into orbit, astronauts must master complex repairs in a high-stakes environment. This video explores how NASA uses underwater simulations to prepare for critical maintenance on the International Space Station.
Astronauts Cady Coleman and Suni Williams participated in an underwater practice session at the Johnson Space Center's Neutral Buoyancy Laboratory. The goal was to identify potential obstacles for Expedition 24 astronauts Doug Wheelock and Tracy Caldwell Dyson, who were scheduled to perform a spacewalk to replace a failed ammonia pump module.
The cooling system's replacement unit had been delivered to the station during the STS-121 mission in July 2006. These simulations ensure that team members can navigate the technical challenges of repairing vital orbiting infrastructure safely.
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- Summary by Intellect · source: Practice Makes Perfect EVAs
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