Hernández was dismissed for space explorer preparing by NASA multiple times.

On his twelfth attempt, he was chosen in May 2004.

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In 2009, he was doled out to the team of the Space Transport mission

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STS-128 and stayed on board the Worldwide Space Station for 13 days.

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The principal Hispanic American space traveler to go to space was Franklin R. Chang Díaz.

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Brought into the world in 1950 in San José, Costa Rica,

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Chang Díaz turned into the main Hispanic space traveler when NASA chose him in 1980.

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