United States Astronaut Hall of Fame
Frank Lee Culbertson Jr. (born May 15, 1949) (Capt, USN, Ret.) is an American former naval officer and aviator, test pilot, aerospace engineer, NASA astronaut, graduate of the US Naval Academy, and member of the United States Astronaut Hall of Fame. He served as the Commander of the International Space Station for almost four months in 2001 and was the only U.S. citizen not on Earth when the September 11 attacks occurred.