Astronauts Prepare for Spacewalk to Fix Ammonia Leak on Spac

Astronauts Prepare for Spacewalk to Fix Ammonia Leak on Space Station
Buzz60
NASA astronauts aboard the International Space Station are preparing for a spacewalk to repair an ammonia leak on a cooling line on the station's hull. Jen Markham explains how astronauts both in space and underwater are preparing for the mission.
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