It’s a beautiful morning at @NASA_Marshall Test Stand 4693 where the liquid hydrogen structural test article is being readied for testing. pic.twitter.com/hgYsancfEh— NASA_SLS (@NASA_SLS) February 1, 2019
It’s a beautiful morning at @NASA_Marshall Test Stand 4693 where the liquid hydrogen structural test article is being readied for testing. pic.twitter.com/hgYsancfEh