Project Vanguard, which will put the U.S. satellite in an orbit around the earth, is moving forward at a pace that gratifies its sponsors. There have been recurrent rumors of serious trouble, but according to Deputy Director Paul Walsh, nearly everything is on schedule. Ground tests of component parts have been successful, and soon the satellite-launching vehicle will start its flight tests. Each of the three stages will be flown separately before the whole vehicle is fitted together and shot into the sky.
The testing will be done at the Air Force range at...
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