Astronaut Alan M. Shepard is rescued by a U.S. Marine helicopter at the termination of his sub-orbital flight down range from the Florida eastern coast, May 5, 1961. (AP Photo)
Astronaut Alan M. Shepard is rescued by a U.S. Marine helicopter at the termination of his sub-orbital flight down range from the Florida eastern coast, May 5, 1961. (AP Photo)
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