docking flight to Mir. Her flight experience includes operating the robotic manipulator system and training for contingency extravehicular-activity spacewalks. She is a member of the American Ceramic Society (fellow), the AIAA (fellow), the National Institute of Ceramic Engineers, and the Society of Women Engineers. She has been awarded the NASA Space Flight Medal, the NASA Distinguished Service Medal, the NASA Outstanding Leadership Medal, and the NASA Exceptional Achievement Medal. In 2000, Dr. Dunbar was elected to the Royal Academy of Edinburgh, and in 2002, to the National Academy of Engineering.

Gary L. Bennett is a consultant in aerospace power and propulsion systems for Metaspace Enterprises. Dr. Bennett received an A.A. (science) from Boise State University, a B.S. (physics) and a master of nuclear science (physics) from the University of Idaho, and a Ph.D. (physics) from Washington State University. He was the manager of advanced space propulsion systems and earlier the manager of advanced space power systems at NASA Headquarters, Washington, D.C., until 1994. He was responsible for managing a number of transportation technology programs, including hybrid propulsion, electric propulsion, low-thrust chemical propulsion, and advanced propulsion concepts. Prior to working at NASA, Dr. Bennett held positions in the Department of Energy’s (DOE’s) space radioisotope power program supporting the Lincoln Experimental Satellite (LES) 8/9, Voyager, Galileo, and Ulysses missions. He has authored or coauthored more than 150 technical papers, reports, and articles on power, propulsion, and space missions. Dr. Bennett has received a number of citations and awards from NASA, DOE, NRC, and AIAA for his work on space and terrestrial power and space propulsion. He has been elected a fellow of the American Institute of Aeronautics and Astronautics, the American Physical Society, and the British Interplanetary Society.

Elizabeth Cantwell is the interim division leader for the International, Space and Response (ISR) Division at the Los Alamos National Laboratory. She earned her Ph.D. in mechanical engineering from the University of California, Berkeley. She received her M.B.A. from the University of Pennsylvania. Dr. Cantwell is responsible for the execution of projects from small principal-investigator-driven basic science through the delivery of large satellites and instruments into the space environment or other field deployments. She is also responsible for program execution across the entire ISR portfolio, including project management, strategic planning and execution of those plans for new business opportunities, and resource planning and allocation. Dr. Cantwell routinely works with senior program leaders and ISR management to maintain and strengthen the science and technology base for ISR activities, manage and develop the workforce, plan for and execute new facilities, and ensure effective line and program integration. She also identifies and develops relationships with external and internal customers, promotes and leads new initiatives, and creates national recognition for ISR’s capabilities. Dr. Cantwell has written and delivered numerous technical reports and presentations to academic conferences and journals, oversight bodies, and other clients. She has served as the academic reviewer for various societies and journals. Dr. Cantwell recently served on the NRC Committee on the Review of NASA’s ISS Roadmap and has participated in other NRC committees and panels.

Shyama P. Chakroborty is currently the engineering manager and chief systems engineer in space exploration systems at Northrop Grumman Integrated Systems and formerly was the vice president and chief engineer of Microcosm heading a number of defense and space programs. Dr. Chakroborty received an M.S.M.E. from Ohio State University, a doctorate from Cleveland State University, and an M.B.A. from the University of California, Davis. Prior to joining Microcosm, he was the chief engineer and senior engineering manager of Aerojet in Sacramento, California. He has been involved in the design, development, and flight qualification of launch vehicles and spacecraft subsystems and systems. He is also an adjunct professor of aerospace and astronautical engineering at the University of California, Los Angeles (UCLA). Dr. Chakroborty is the author of a comprehensive design manual on solid rocket motor and liquid rocket engine design. He has authored and presented a number of technical papers at various national and international conferences and for a number of journals and is a member of several professional organizations. He is a Federal Aviation Administration-licensed pilot and has flown fighter planes, including the MiG-25. He holds a certificate for completion of the cosmonaut training program from the Yuri Gagarin Cosmonaut Training Center in Star City, Russia.

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