
Charles D. Gemar (astronaut)
Charles D. Gemar is a retired NASA astronaut and a former U.S. Air Force officer. He was born on July 4, 1947, and became an astronaut in 1980. Gemar flew on four Space Shuttle missions between 1985 and 1992, participating in significant scientific and engineering projects. He logged over 33 days in space and was involved in deploying satellites, servicing the Hubble Space Telescope, and conducting experiments. After retiring from NASA, Gemar worked in various aerospace roles. His contributions have been vital in advancing human spaceflight and space exploration.