[ On This Day In space March 26, 1958 US Army Launches Explorer 3 Satellite ]
On March 26, 1958, the United States launched its third satellite into space. Explorer 3 was almost identical to Explorer 1, the first satellite the U.S. ever launched. Explorer 3 was the first successful launch in the series after Explorer 1. Explorer 3 launched on a Juno I rocket from Cape Canaveral, Florida and entered …
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