“Hello, United States!” @Astro_Christina and @Astr … Posted on October 18, 2019 by mikee “Hello, United States!” @Astro_Christina and @Astro_Jessica float 250 miles above Earth as they continue the first ever #AllWomanSpacewalk, replacing a faulty battery charge/discharge unit on the International @Space_Station. https://twitter.com/Space_Station/status/1185222300586561536 …