On May 25, 1961, with John F Kennedy’s special words he launched the first space ship in the United States. It was four year later than the Soviet Union launched their first in 1957. Until the very last space flight of Columbia, mission STS-107, there has been so many attempts to discover the Mars. During the process, many people were sacrificed to accomplish their mission of Mars. From the last mission of Columbia, all seven people in the spaceship died. That too many people were died for the same reason now became a point of dispute. People debate that the United States should continue to promote manned space flight or they should concentrate on unmanned research. I, personally think that the space ship should not carry any people until i
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