美国轨道科学公司的新型“心宿二”商业运载火箭4月21日在位于NASA沃洛普斯飞行设施的中大西洋地区航天港进行了首次发射,主有效载荷是模拟该公司“天鹅座”国际空间站货运飞船重量特性的一艘模拟飞船,代号A-1,重3800公斤。模拟飞船上配备了各种传感器。此次发射还搭载了4颗微小卫星。模拟飞船于火箭起飞约10分钟后成功地同火箭分离。这是一次验证飞 NASA’s first “Albatross” commercial launch vehicle made its first launch on April 21 at the Mid-Atlantic Spaceport at NASA’s Woropos Flight Facility, with the main payload simulating the company’s “Swan Block ”ISS cargo spacecraft weight characteristics of a simulated spacecraft, code-named A-1, weighs 3,800 kg. The spacecraft is equipped with various sensors. The launch also equipped with four tiny satellites. The simulated spacecraft successfully separated from the rocket about 10 minutes after the rocket took off. This is a verification flight