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NASA @NASA
LIVE NOW: Watch @NorthropGrumman's #Cygnus spacecraft launch from @NASA_Wallops. The cargo ship is named after late astronaut and scientist Piers Sellers, who was instrumental in assembling the @Space_Station. Liftoff is set for 12:40pm ET (17:40 UTC). https://t.co/GPqM4aHQQU — PolitiTweet.org