Randy Bresnik is a retired NASA astronaut and a United States Marine Corps officer. He was born on September 11, 1967, in Fort Knox, Kentucky. Bresnik has completed two spaceflights, including missions to the International Space Station (ISS), where he conducted scientific research and participated in spacewalks. In addition to his work as an astronaut, Bresnik has a background in aviation and engineering. He earned a Bachelor of Science degree in Electrical Engineering from the United States Naval Academy and has logged over 5,000 flight hours in various aircraft. His contributions to space exploration have been significant, particularly in the field of human spaceflight.