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SpaceX founder and CEO Elon Musk speaks during the Space X ground breaking ceremony at the Boca Chica Launch Site on the southern tip of Texas, Monday, Sept. 22, 2014. The commercial rocket launches that could begin as early as 2016 in the southernmost tip of Texas will be a critical step toward one day establishing a human presence on Mars, Musk said Monday. (AP Photo/The Brownsville Herald, Brad Doherty)