NASA has selected four astronauts to work closely with two U.S. commercial companies that will return human spaceflight launches to Floridas Space Coast.\r
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NASA astronauts Mike Fincke, Jeanette Epps and Suni Williams highlight the goals and impact Commercial Crew will have on the national priorities of space .\r
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SpaceX, with Federal Aviation Administration oversight, is leading the investigation of what caused the June 28 mishap shortly after the companys Falcon 9 .
