Dr. Vaughan is born in Clearwater, Florida to William Walton and Ella Vermelle Vaughan.
Dr. Vaughan receives a Bachelor of Science in mathematics and physical science education with honors from the University of Florida.
Dr. Vaughan joins the U.S. Air Force, rising in the ranks to Captain.
Dr. Vaughan receives a graduate certificate in atmospheric science from the Air Force Institute of Technology and Florida State University.
Dr. Vaughan becomes a scientific assistant in the Air Force Armament Center at the Eglin Air Force Base in Florida.
Dr. Vaughan becomes a scientific assistant for the Army Ballistic Missile Agency in Huntsville, Alabama.
Dr. Vaughan is appointed chief of the Atmospheric Sciences Division at the Marshall Space Flight Center of the National Aeronautics and Space Administration (NASA) in Huntsville.
Dr. Vaughan receives the Exceptional Service Medal from NASA.
Dr. Vaughan receives a Doctor of Philosophy in engineering science from The University of Tennessee, Knoxville.
Dr. Vaughan becomes a charter member of the Federal Senior Executive Service (now Senior Executive Service (SES)) of NASA.
Dr. Vaughan receives the Losey Atmospheric Science Award from the American Institute of Aeronautics and Astronautics.
Dr. Vaughan is appointed director of the Research Institute at The University of Alabama in Huntsville, where he also serves as a research professor of atmospheric science.
Dr. Vaughan retires and becomes NASA Emeritus.
Dr. Vaughan receives the Excellence in Aerospace Standards Award from the American Institute of Aeronautics and Astronautics.
Dr. Vaughan receives the Distinguished Service Award from the American Institute of Aeronautics and Astronautics.
Dr. Vaughan is appointed Associate Editor for Aerospace Meteorology of the Journal of Aerospace Technology and Management.
Dr. Vaughan receives the Distinguished Eagle Scout Award from the Local District of the Boy Scouts of America and becomes a senior docent at the U.S. Space and Rocket Center in Huntsville, Alabama.
Dr. Vaughan authors “Systems Engineering: A Key for Success in Aerospace Operations,” published in the Aeronautics and Aerospace Open Access Journal.
Dr. Vaughan is elected a member of the Huntsville Chapter of the Sons of the American Revolution (SAR).
Dr. Vaughan co-authors “Aerospace Vehicle Systems Engineering and the Importance of Meteorology Inputs in Design,” published in the International Journal of Astronautics and Aeronautical Engineering.