Its efficiency and capability will directly affect the progress of war,and the loading-and-unloading equipment of military air transportation is a key to the accomplishment of the high efficiency of transportation guarantee.

With the wide use of airplanes in military fields in the modern times,China has become aware of the importance of airplanes in future wars and has been sending students to the UK,the US,the Soviet Union and France to study advanced military aviation technology and airplane manufacturing technology.

This Article,with elaboration of its goal and significance,concludes that Deep Impact s collision with comet Tempel 1 is significant breakthrough of the human astronautics technology and proposes such issues as the military astronautics and global cooperation space research.