RT @NASA: Watch the expansion of 1st human-rated expandable habitat on @Space_Station at 5:30am ET: nasa.gov/nasatv https://t.co/CPqljRiqEt
RT @NASA: Watch the expansion of 1st human-rated expandable habitat on @Space_Station at 5:30am ET: nasa.gov/nasatv https://t.co/CPqljRiqEt