美国宇航局和SpaceX周日将诺斯罗普格鲁曼公司的Cygnus航天器 (NG-21) 发射到国际空间站, 携带科学实验和立方卫星. NASA and SpaceX launch Northrop Grumman's Cygnus spacecraft (NG-21) to ISS on Sunday, carrying scientific experiments and CubeSats.

美国航天局和SpaceX定于星期天向国际空间站发射3,719,45公斤货物飞行任务。 NASA and SpaceX are set to launch a 3,719.45 kg cargo mission to the ISS on Sunday. Northrop Grumman的Cygnus航天器(NG-21)将通过SpaceX的Falcon 9号火箭从佛罗里达卡纳维拉角空间部队站运输。 Northrop Grumman's Cygnus spacecraft (NG-21) will be transported via SpaceX's Falcon 9 rocket from Florida's Cape Canaveral Space Force Station. 这次任务是诺斯罗普格鲁曼公司为美国宇航局的第21次商业补给,它携带科学实验,两个立方体卫星作为美国宇航局ELaNa计划的一部分,并将在国际空间站的联合模块的面向地球的端口上对接和安装. The mission, the 21st commercial resupply by Northrop Grumman for NASA, carries scientific experiments, two CubeSats as part of NASA's ELaNa program, and will be docked and installed on the ISS's Unity module's Earth-facing port.