SpaceX's historic rocket launch Saturday could end in another dramatic landing

On Saturday, SpaceX is expected to make history by launching its first Falcon 9 rocket from historic launch pad 39A at Kennedy Space Center in Cape Canaveral, Florida. 
The pad was originally used during NASA’s Apollo era in the 1960s but was revamped to serve the space shuttle in the 1970s. 
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“Some of humanity’s greatest adventures in orbit began at Launch Complex 39A,” NASA said in a statement. “Astr