#FlashbackFriday to the completion of all five major pieces of hardware that comprise the #NASASLS core stage! More: https://t.co/cpLPqmGR5l pic.twitter.com/BRZTCMQMz0— NASA_SLS (@NASA_SLS) November 17, 2017
#FlashbackFriday to the completion of all five major pieces of hardware that comprise the #NASASLS core stage! More: https://t.co/cpLPqmGR5l pic.twitter.com/BRZTCMQMz0