17 August 2020 Retiring U.S. Transportation Command director focused on personnel professionalism and development, during a more than 30-year military career Investing in people has been U.S. Air Force Col. Wistaria (Wiz) Joseph’s emphasis and calling since joining the military 35 years ago.In that time frame, Joseph served in more than 15 manpower and personnel leadership positions – including three command tours of duty – at the...