NASA @NASA
This week, spacewalks to repair a cosmic ray detector continued outside @Space_Station. The @BoeingSpace #Starliner crew spacecraft rolled out in preparation for a targeted Dec. 17 test flight. More on this week's #SpaceToGround: https://t.co/cHFnZH5JEg https://t.co/vG6qsTnyiV — PolitiTweet.org