Mark Kelly

Mark Edward Kelly (born February 21, 1964) is an American politician and a retired astronaut and naval officer. He is the senior United States senator from Arizona, a seat he has held since 2020. He is a member of the Democratic Party.

Kelly flew combat missions during the Gulf War as a naval aviator before being selected as a NASA Space Shuttle pilot in 1996. His identical twin brother, Scott Kelly, also became a NASA astronaut that year. Mark flew his first space mission in 2001 as pilot of STS-108, then piloted STS-121 in 2006, and commanded STS-124 in 2008 and STS-134 (the final mission o…