Scott Kelly
Scott Kelly is an American astronaut who holds the record for the most cumulative time spent in space among Americans and was the first American to complete a year-long mission in space.
Astronaut
February 21, 1964
61
Scott Kelly, an American astronaut, engineer, and retired U.S. Navy Captain, is renowned for his groundbreaking year-long mission on the International Space Station (ISS). During this mission, he conducted extensive research and experiments on the impact of spaceflight on the human body. With three space flights under his belt, Kelly has received numerous accolades for his contributions to space exploration. Notably, he participated in NASA’s Twins Study alongside his twin brother Mark, offering valuable insights into the effects of extended space travel. As the first American to complete a continuous year-long mission in space, Kelly holds the record for the most cumulative time spent in space among Americans.