The rocket-launching vehicle that will toss the U.S. earth satellite into its orbit is proving a tougher design job than some of the scientists thought. Last week Assistant Secretary of the Navy James H. Smith Jr., taking public notice of the fact, announced that the first satellite will not take to space until early in 1958.
As to problems of getting the satellite up into space, Milton Rosen of the Naval Research Laboratory, and technical adviser of the satellite project, told about some of the novel features of the launching vehicle. Any one of them might be a cause of failure if...
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