Astronauts @Astro_Feustel and @Astro_Ricky completed the fourth spacewalk this year at 3:43pm ET today, lasting 6 hours, 10 minutes. https://t.co/fUB9FZAczt pic.twitter.com/GLntU2vRWJ
— Intl. Space Station (@Space_Station) March 29, 2018
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