随着载人航天活动的不断发展,货运飞船在载人航天领域的用途也日益广泛。因此,俄罗斯、欧洲、日本和美国先后研制了“进步”、“自动转移飞行器”、H-2转移飞行器,以及商用载货型“龙”飞船和“天鹅座”货运飞船。至今,全世界已发射过约180多艘货运飞船。用途广泛很受青睐在20世纪70年代,苏联和美国开始发展体积大、寿命长以 With the continuous development of manned space activities, the use of cargo spacecraft in the field of manned space is also increasingly widespread. Therefore, Russia, Europe, Japan and the United States have successively developed the “Progressive”, “Automatic Transfer Aircraft”, H-2 Transferred Vehicles, and commercial cargo type “Dragon” spacecraft and “Cygnus” Cargo spacecraft. To date, more than 180 cargo spacecraft have been launched around the world. Wide range of uses is favored In the 1970s, the Soviet Union and the United States began to develop bulky, long life