B2.1 Test Tank being installed on the Booster Test Stand. Mary (@BocaChicaGal) live views:https://t.co/APLl78W8fn pic.twitter.com/QaPQLQTwFJ— Chris Bergin - NSF (@NASASpaceflight) October 28, 2021
B2.1 Test Tank being installed on the Booster Test Stand. Mary (@BocaChicaGal) live views:https://t.co/APLl78W8fn pic.twitter.com/QaPQLQTwFJ