Spacewalking is no easy task, but our @NASA_Astronauts train extensively for these moments. This animation show how @AstroBehnken and @Astro_SEAL will work in the vacuum of space to finish replacing the @Space_Station's batteries. https://t.co/UuHV6g2IUE pic.twitter.com/hh8PBtI3mJ

— NASA (@NASA) June 24, 2020