![Making Improvements](https://www.nasa.gov/wp-content/uploads/2023/03/185895main_image_feature_889_ys_full.jpg)
Making Improvements
Astronaut Rick Mastracchio participates in the mission's first planned session of extravehicular activity (EVA), as construction continues on the International Space Station. During the 6-hour, 17-minute spacewalk Mastracchio and Canadian Space Agency's Dave Williams attached the Starboard 5 segment of the station's truss and retracted a radiator.
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