Mark Kelly is an American astronaut, engineer, and retired U.S. Navy captain. He was born on April 21, 1964, in Orange, New Jersey. Kelly flew on four space shuttle missions, including the final flight of the Space Shuttle Endeavour in 2011. He is known for his work on the International Space Station and has logged over 54 days in space. In addition to his career as an astronaut, Mark Kelly is also a politician. He was elected as a U.S. Senator from Arizona in 2020. Kelly is a member of the Democratic Party and has focused on issues such as gun control and space exploration during his time in office.