Michael Lopez-Alegria is a Spanish-American astronaut and engineer known for his extensive career with NASA. Born on December 30, 1958, he has completed multiple spaceflights, including missions aboard the Space Shuttle and the International Space Station. He is recognized for his contributions to space exploration and has logged over 250 days in space. In addition to his work as an astronaut, Lopez-Alegria has a background in aeronautical engineering and has served as a test pilot. He is also a veteran of the U.S. Navy, where he gained valuable experience that contributed to his successful career in space.