NASA @NASA
Today, two veteran Russian cosmonauts completed the 217th #spacewalk in support of @Space_Station assembly, maintenance and upgrades. Learn about the work that Oleg Kononenko and Alexey Ovchinin completed in the vacuum of space for 6 hours and 1 minute: https://t.co/FlttNan29q https://t.co/BkQiYJdwoL — PolitiTweet.org