Richard Harrison Truly (born November 12, 1937) is a retired Vice Admiral in the United States Navy, a former fighter pilot, former astronaut for both the United States Air Force and NASA, and was the eighth Administrator of the National Aeronautics and Space Administration (NASA) from 1989 to 1992. He was the first former astronaut to head the space agency. After his departure from NASA, he led the Georgia Tech Research Institute from 1992 to 1997, and the National Renewable Energy Laboratory from 1997 to 2005.