On May 30, 2015, Rhea was the eighth woman inducted into the U.S. Astronaut Hall of Fame during a public ceremony held at theKennedy Space Center Visitor Complex. Dr. Seddon was one of four astronauts selected for the 2015 AHOF. A veteran of three space shuttle flights, Dr. Rhea Seddon spent 19 years with the National Aeronautics and Space Administration (NASA). In 1978 she was selected as one of the first six women to enter the Astronaut Program. She served as a Mission Specialist on flights in 1985 and 1991 and as Payload Commander in charge of all science activities on her final flight in 1993. This brought her total time in space to 30 days. After leaving NASA in 1996, Dr. Seddon was the Assistant Chief Medical Officer of the Vanderbilt Medical Group in Nashville for 11 years.
There she led an initiative aimed at improving patient safety, quality of care, and team effectiveness by the use of an aviation-based model of Crew Resource Management. Now with LifeWings Partners, LLC she teaches this concept to healthcare institutions across the United States. A graduate of the University of California at Berkeley with a degree in physiology, Dr. Seddon received her M.D. degree from the University of Tennessee College of Medicine in Memphis, where she completed her residency in General Surgery.