Conference Presentations D. Thomas, "Systems Engineering Implications of the Digital Twin," 2018 Southeast Symposium on Contemporary Engineering Topics (SSCET) and First Annual UAH Engineering Forum, Huntsville, Alabama, August 3, 2018. D. Thomas & E. Patterson, "Model-Based Systems Engineering and the Human Mental Model in Systems Engineering," International Annual Conference of the American Society for Engineering Management, October 18-21, 2017, Huntsville, Alabama Notable External Presentations D. Thomas, "UAH as a MBSE Training Provider," Presentation to the Redstone Arsenal Digital Engineering Integrated Product Team, Huntsville, Alabama, February 5, 2019. D. Thomas, Model Based Systems Engineering tutorial at the Society for Reliability Engineers Reliability, Availability, and Maintainability Training Summit X (November 9, 2017)