RT: The four astronauts of #Crew4 are set to launch to our orbiting laboratory on April 27 at 3:52am ET (7:52 UTC).
Join us RIGHT NOW for the prelaunch teleconference with program experts: https://youtu.be/SeYu4t4XxDo https://t.co/zPlEYRnNLR
转发：#Crew4的四名宇航员将于美国东部时间4月27日凌晨3:52（协调世界时7:52）发射到我们的轨道实验室。
现在就加入我们，参加与项目专家的发射前电话会议：https://youtu.be/SeYu4t4XxDo https://t.co/zPlEYRnNLR