Ronald John Garan Jr. (born October 30, 1961) is a retired NASA astronaut. After graduating from State University of New York College at Oneonta in 1982, he joined the Air Force, becoming a Second Lieutenant in 1984. He became an F-16 pilot, and flew combat missions in Desert Shield and Desert Storm. Before becoming an astronaut he was the Operations Officer of the 40th Flight Test Squadron (FTS). He first flew in space as a Mission Specialist on the STS-124 mission to the International Space Station (ISS). He returned to ISS on April 4, 2011, for a six-month stay as a member of Expedition 27.