Greetings, I am Dr. Greg Zacharias, Chief Scientist for the Director of Operational Test and Evaluation. I hold a Bachelor of Science degree in Aeronautics and Astronautics, a Master of Science degree in the same field, and a Doctor of Philosophy in Instrumentation, Aeronautics, and Astronautics, all earned from the Massachusetts Institute of Technology. My career spans various roles within the Department of Defense and the defense industry, providing me with a comprehensive understanding of research and development in the defense sector.