and missile technologies. Dr. Reagan joined Lockheed nearly 40 years ago as a scientist. He led the Space Instrumentation Group for 10 years and was responsible for the development and on-orbit deployment of over 20 scientific payloads for NASA and the Department of Defense. His research interests included space sensors, radiation belt and solar particles, nuclear weapon effects, and the effects of radiation particles on spacecraft systems. As general manager of the R&D Division, he led over 750 scientists and engineers in the development of advanced technologies in the fields of optics, electro-optics, information software, cryogenics, guidance and controls, electronics, and materials. Today, Dr. Reagan is a director on the board of Southwall Technologies, Incorporated, a high-technology company specializing in the manufacture of thin-film coatings for high-performance residential, industrial, and automotive windows. He is also a director on the board of the Tech Museum of Innovation, where he is the chairman of the Education Committee. He is involved in numerous activities that foster the improvement of science and mathematics education in the United States. Dr. Reagan is a fellow of the American Institute of Aeronautics and Astronautics and is vice chair of the Naval Studies Board.

John P. Retelle, Jr., is manager of business development at Logicon Advanced Technology, a subsidiary of Northrop Grumman Corporation. Dr. Retelle's background is in airborne artificial intelligence, aeronautics, and advanced computing. His professional career of more than 30 years spans a wide range of senior positions in both industry and government. He began as a flight test engineer for the U.S. Air Force, where he conducted flight tests and simulations in transonic aircraft technology. Dr. Retelle also served as an associate professor at the U.S. Air Force Academy and as a program manger at DARPA. While at DARPA, he provided technology and program direction for advanced technology demonstrations in airborne artificial intelligence (Pilot's Associate) and aircraft design (X-29, X-31). Dr. Retelle recently served as president of PAR Government Systems Corporation, where he transitioned PAR's expertise in computing and sensor R&D to new information-intensive products beyond traditional Department of Defense markets. Dr. Retelle is a certified commercial pilot and a member of several professional societies, including the American Institute of Aeronautics and Astronautics and the Institute of Electrical and Electronics Engineers.

Howard E. Shrobe is associate director and principal research scientist at the Massachusetts Institute of Technology Artificial Intelligence Laboratory (MIT AIL). His research is in intelligent systems, particularly in knowledge-based software development. From 1994 to 1997, Dr. Shrobe served as assistant director and chief scientist of the DARPA Information Technology Office, where he was responsible for two programs: the Evolutionary Design of Complex Software and Information Survivability. At the MIT AIL, Dr. Shrobe's research efforts include knowledge-based collaboration, dynamic domain architecture, and intelligent information infrastructure projects.

John F. Walter is program area manager for the Strike Warfare Program Office of the Power Projection Systems Department at Johns Hopkins University Applied Physics Laboratory (JHU/APL). Dr. Walter's background is in precision strike weapons and associated autonomous support systems. His previous positions at JHU/ APL included project manager for the Tomahawk Land-Attack Project and technical area manager for autonomous flight control systems for the Harpoon Missile. Dr. Walter's research interests include laser physics, propagation, electro-optics, inertial navigation, and missile guidance. He is a member of the American Institute of Aeronautics and Astronautics and the Precision Strike Association Board of Directors.

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