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Douglas Gerald Hurley is an American engineer and NASA astronaut. He piloted Space Shuttle mission STS-127, which launched July 15, 2009. He was assigned and flew as pilot for STS-135, the final flight of the Space Shuttle program, in July 2011. He was also the first Marine to fly the F/A-18 E/F Super Hornet. His call sign is "Chunky" and was sometimes referred to by this name on the communication loops.