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B
Committee Member Biographies
ROBERT E. DEEMER, Chair, has 29 years of industry experience in the fields of spacecraft systems design, simulation modeling, virtual prototyping, network design, operations and project management, systems engineering, spacecraft communications, and executive management. He has master’s degrees in computer science, management science, business administration, project management, and the humanities from California State University, Northridge, Colorado Technical College, Pepperdine University, Villanova University, and Redlands University. He also has undergraduate degrees in engineering, software design, economics, philosophy, and English literature. Mr. Deemer is attending the University of Colorado, working toward a doctorate in philosophy and advanced technology. Currently, Mr. Deemer is a graduate professor for Regis University, teaching classes in operations, advanced technologies, technical management, and project management. Prior to teaching, he was vice president of technology for Catalina Research and worked for 23 years for Lockheed Martin Astronautics and Litton Industries as a design and systems engineer and as the manager of the Spacecraft Technology Center. He has served on two other NRC study groups in the capacity of chair and committee member.
HARVEY BERGER is a technical fellow for Data Links at Northrop Grumman Space Technology. He received a B.S. in electrical engineering and an M.S. in information and algebraic coding theory from Cornell University. He has 35 years’ experience as a communication systems engineer in the areas of bandwidth efficient modulation, error correction coding, RF propagation, and RF and optical link design. He is currently supporting the NPOESS program in the design of its L-band, X-band, and Ka-band communications links. Previously he was a payload architect for the Astrolink satellite program, and he definitized architectures for future advanced high-data-rate one- and two-hop satellite communication systems that realize bandwidth efficiencies of 3 to 5 bps/Hz; he developed predistortion algorithms for two-hop communications links. He also developed a bandwidth-efficient coded 8PSK modulation technique utilizing predistortion that achieves a bandwidth efficiency of 2 bps/ Hz in a highly distorted nonlinear multi-hop communications channel as well as a ROM-based decoding technique for triple-error correcting BCH codes. He also system-engineered an end-to-end very-high-data-rate satellite communications system that included all components from the spacecraft modulator to the ground data demultiplexer output and defined all specifications, performed all analysis, integrated units on the spacecraft and in the ground station, and verified end-to-end performance after deployment. He is a member of ITU-R Study Group 3 (Radiowave Propagation), Working Party 3J (Propagation Fundamentals), and Working Party 3M (Point-to-point and Earth-space Propagation). He has been awarded nine patents and is the co-recipient of the 2004 NGST President’s Award for Innovation for “Simulation of Weather Conditions and Their Impact on Satellite Data Transmission” and the co-recipient of the 1999 TRW Chairman’s Award for Innovation for “Gigabit-Per-Second Bandwidth Efficient Modulation.”
THOMAS C. BETTERTON, a retired rear admiral in the United States Navy, is currently a visiting professor for space technology at the Naval Postgraduate School and has been retained as a management and technical consultant by a number of aerospace-related corporations. He holds a master’s degree and an engineer’s degree from the Massachusetts Institute of Technology. As a naval aviator and designated acquisition professional, he served as a major program manager and the senior Navy official, Director Program C, in the National Reconnaissance Office for over 16 years. He has participated in several study efforts for the Defense Science Board and the Air Force Scientific Advisory Board and was a member of the NASA Advisory Committee for the International Space Station. He is a fellow of the American Insti-
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tute of Aeronautics and Astronautics. Admiral Betterton retired from active duty in January 1992.
ANTONIO L. ELIAS is executive vice president and general manager for advanced programs at Orbital Sciences Corporation. Previously, he served as Orbital’s chief technical officer from 1996 to 1997, corporate senior vice president from 1992 to 1996, and first vice president for engineering from 1989 to 1992. From 1987 to 1997, he led the technical team that designed and built the Pagasus air-launched booster, flying as a launch vehicle operator on the carrier aircraft for the rocket’s first and fourth flights. He also led the design teams of Orbital’s APEX and Sea Star satellites and the X-34 hypersonic research vehicle. Dr. Elias came to Orbital from the Massachusetts Institute of Technology (MIT), where he held various teaching and research positions, including the Boeing Chair in the Department of Aeronautics and Astronautics. A member of the National Academy of Engineering (NAE) and a fellow of the American Institute of Aeronautics and Astronautics (AIAA), his awards include the 1991 AIAA Engineer of the Year, the AIAA Aircraft Design Award, and the American Astronautical Society (AAS) Brouwer Award. He is also a co-recipient of the National Medal of Technology and the National Air and Space Museum Trophy.
CHARLES T. FORCE has a 42-year professional career spanning both government and industry. He served almost 30 years with what is now NASA’s space communications program, beginning as an overseas station director and retiring as an associate administrator. As associate administrator for Space Operations (later renamed Space Communications), he provided capabilities to meet the rapidly increasing communications and information needs essential to all NASA programs, doing so within a flat budget by continually capitalizing on technology. He has testified before Congress on both policy and program matters. His responsibilities included planning, procuring, launching, and operating the Tracking and Data Relay Satellite System (TDRSS), which provides communications with the Space Shuttle as well as with most of NASA’s low-Earth-orbiting (LEO) scientific satellites. He was also responsible for the Deep Space Network, ground communications networks, unmanned satellite control centers, and orbital tracking facilities. He has represented NASA in national and international radio regulatory processes, and actively participated in the 1992 WARC that obtained allocations for the LEO satellites. Mr. Force has also served as president of Vtex International, deputy program manager at Computer Sciences Technology Associates, and co-founder and vice president of Space Data Corporation. He received a BSAE from Purdue University in 1957.
KEITH JARETT is an associate technical fellow with Boeing Space and Intelligence Systems (formerly known as Boeing Satellite Systems) in El Segundo, California. He is currently managing an internal research and development (IRAD) project focusing on critical technologies and capabilities for NASA’s long-term Communication and Navigation System Architecture. Dr. Jarett has a technical background in information theory and communication theory. He recently designed portions of the communication system for TSAT, the Defense Department’s Transformational Satellite program. TSAT will provide a common high-bandwidth space-based communication backbone available to all DOD systems. Starting in 1999, Dr. Jarett led Boeing’s design effort for a proposed satellite system to deliver Internet service to vehicles, including a novel Ka-band payload architecture using beam-hopping switch networks. In 2002 he worked extensively on a satellite system design for the FAA’s Air Traffic Management, and in a related effort he established the feasibility of ad hoc data networking of aircraft over the Atlantic Ocean using VHF radios. He has also worked on advanced beam-forming antenna concepts, including ground-based beam forming.
Prior to rejoining Boeing in 1999, Dr. Jarett spent 12 years at TCSI, helping it grow from 3 to over 300 employees. He led systems engineering projects ranging from a smartcard system for MasterCard to a digital cellular personal base station for AT&T Wireless (then McCaw). He jointly architected large software systems for UPS (package tracing) and FedEx (airplane/truck scheduling and weight and balance). Dr. Jarett began his engineering career at Boeing (then Hughes Aircraft Company) as a Howard Hughes Doctoral Fellow. He received his M.S. and Ph.D. in electrical engineering from Stanford University and his B.S. in electrical engineering from Cornell University. In the early 1980s, Dr. Jarett worked extensively on the Space Shuttle’s Kuband Communications System, and he designed deep-space communication links for a proposed Galileo probe carrier spacecraft. Dr. Jarett holds 14 U.S. patents, with several more pending. He is a licensed professional engineer in the state of California.
MARJORY JOHNSON was a senior scientist at the Research Institute for Advanced Computer Science (RIACS) at NASA Ames Research Center for almost 21 years. During that time she contributed to several networking research projects, including development of the data network system for the Space Station, development and analysis of the FDDI protocol, and analysis of space data-communications protocols in support of the international Consultative Committee for Space Data Systems (CCSDS) organization, and she was involved with the Bay Area Gigabit Network Testbed as part of the next-generation Internet initiative. In 1998 Dr. Johnson joined the NREN (NASA Research and Education Network) project and became associate manager in 2000, a position she held until she retired in 2004. During her tenure, the NREN project conducted research to enable the infusion of emerging network technologies into NASA mission applica-
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tions, thereby enabling new methodologies for achieving NASA science, engineering, and education objectives. The NREN testbed (which included both ground and satellite components) paired with high-performance testbeds sponsored by other federal agencies and with the university-led Internet2 testbed to provide a nationwide platform for conducting network research and for prototyping and demonstrating revolutionary applications. Dr. Johnson worked closely with representatives of other federal agencies to coordinate networking research activities across the agencies. She has participated in several review panels, both to review projects within NASA and to review activities of other federal agencies. Dr. Johnson received a Ph.D. from the University of Iowa and taught mathematics at the University of South Carolina and computer science at the University of Missouri-St. Louis prior to joining RIACS.
YOGI Y. KRIKORIAN is manager, System Design and Simulation Section, at the Aerospace Corporation. He has 17 years’ experience in communications engineering, including 5 years in commercial industry including Hughes Space and Communication Company. He has been active in several NASA/JPL projects. He provided communication dynamic link analysis for the Mars Rovers, Spirit and Opportunity, and the Mars Telecommunications Orbiter; Mars Scout evaluations, including the Phoenix mission; and New Frontiers proposal evaluations. While at Hughes, Mr. Krikorian worked as a payload system engineer on the ICO Global Communication Satellite program. He helped design and develop the LO distribution network, communication processors, payload control processor (PCP), payload layout, and gain distribution of IF, RF, and LO signals. Mr. Krikorian also served as the manager of applications engineering at Elanix, Inc. in Westlake Village, California, where he provided technical expertise and support on the SystemView, a PC-based software simulation for designing DSP algorithms, communications systems, and RF/analog systems. Other commercial experience includes serving as senior technical engineer and director of engineering at RJS, Inc. in Santa Fe Springs, California. Mr. Krikorian rejoined the Aerospace Corporation in August 2000 after spending 8 years at Aerospace (1987-1995), during which he earned his master’s degree in electrical engineering from the California Institute of Technology. In addition to participating in several NASA projects, Mr. Krikorian also analyzed, simulated, and presented information on the susceptibility of the ICO commercial satellite to pulsed radar frequency Interference for GMSK and QPSK modems.
THOMAS MAULTSBY retired from the U.S. Air Force in 1989 with the rank of lt. colonel. His Air Force assignments spanned satellite design, production, testing, launch operations, satellite ground systems acquisition, and program management. His specific positions within the government included senior Air Force representative to NASA headquarters for DOD Shuttle operations, assistant for space policy in the Office of the Secretary of Defense, and special assistant to the secretary of the Air Force for advanced technology insertion. In addition to the positions held within the government, Mr. Maultsby has filled a range of positions in the commercial aerospace industry. These included Director of Advanced Concepts at MacDonnell Douglas Electronics Systems Company, Senior Vice President and Director of the Decisions Technology Division of GRC International, and founder and President of Rubicon LLC, a specialized aerospace consulting firm. Mr. Maultsby has also served on numerous independent review committees and has held a variety of additional related positions. From 1998 to 1999, he was a member of the Defense Science Board Task Force on Space Superiority. From 1992 to 1995, he served on the Board of Directors (and as chair in 1994) of the Security Affairs Support Association.
TODD J. MOSHER is the director of Advanced Systems at Microsat Systems Inc., a company that specializes in small satellites. Dr. Mosher joined MSI after serving as senior manager of Advanced Exploration Systems for Lockheed Martin Space Systems Company, where he was a part of the group that recently was awarded the Orion Crew Exploration Vehicle from NASA. At Lockheed Martin, Dr. Mosher served as the principal investigator for an internal research and development project in autonomous rendezvous and docking, a critical technology for space exploration missions. Prior to working at Lockheed Martin, Dr. Mosher was an assistant professor at Utah State University (USU) where he was the director of the Center for Advanced Satellite Manufacturing, a state-sponsored center of excellence. While at USU, his research was sponsored by the Air Force Research Laboratory, the Office of Naval Research, the National Reconnaissance Office, the Air Force Office of Scientific Research, Lockheed Martin, The Aerospace Corporation, and the Space Dynamics Laboratory. He also served as the program chair for the annual American Institute of Aeronautics and Astronautics (AIAA)/USU Conference on Small Satellites, which celebrated its 20th anniversary in August 2006.
Prior to serving at Utah State University, Dr. Mosher was the associate director of the Space Architecture Department at the Aerospace Corporation, was an instructor at the University of California Los Angeles, and worked at General Dynamics Space Systems on a variety of launch systems ranging from future concepts to the contemporary Space Shuttle and Atlas. Dr. Mosher earned his Ph.D. in aerospace engineering from the University of Colorado, has two master’s degrees in aerospace engineering and systems engineering from the University of Colorado and the University of Alabama in Huntsville, respectively, and received his bachelor’s degree in aerospace engineering from San Diego State University. Dr. Mosher previously served the National Research Council as chair of the NASA Communications and Navigation Capability Committee in 2005 and as a mem-
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ber of the Committee for the Review of NASA’s Pioneering Revolutionary Technology Program and its supporting Panel on Enabling Concepts and Technologies from 2001 to 2003. Additional distinctions include two patents pending in small satellite design, nearly 50 professional publications, serving as the current chair of the AIAA Space Systems Technical Committee, and being named an Associate Fellow of the AIAA in 2004. He has received several awards from NASA and the AIAA for his work mentoring students.
PATRICK A. STADTER is a principal professional staff engineer at the Johns Hopkins University Applied Physics Laboratory, where he serves as an assistant supervisor for military systems in the Space Systems Applications Group. Dr. Stadter earned a B.S.E.E. from the University of Notre Dame (1991), an M.S.E.E. from the Johns Hopkins University (1993), and a Ph.D. in electrical engineering from Pennsylvania State University (1997). Dr. Stadter was the principal investigator of the NASA Explorer’s program to develop the cross-link transceiver for interspacecraft communications and navigation among multiple spacecraft, and the PI of the NASA-funded distributed spacecraft modeling and simulation testbed. He currently leads several Department of Defense research programs for small spacecraft applications. Dr. Stadter’s research includes distributed command and control methods for autonomous vehicles, integrated navigation and communication systems, and information-theoretic classification techniques. Dr. Stadter has numerous technical publications and holds two patents related to communication and navigation systems.
PAUL G. STEFFES received his Ph.D. in electrical engineering from Stanford University, and his primary research area is microwave and millimeter-wave remote sensing of planetary atmospheres, microwave and millimeter-wave satellite communications systems, radio and radar astronomy systems and techniques, radio science, and non-invasive monitoring of glucose levels in the human body. He worked as a graduate research assistant at the Massachusetts Institute of Technology’s Research Laboratory of Electronics, Radio Astronomy, and Remote Sensing Group while pursuing his master’s degree (1976-1977). From 1977 to 1982, he was a member of the technical staff at Watkins-Johnson Company Sensor Development in San Jose. He was a graduate research assistant at Stanford University’s Center for Radar Astronomy while pursuing his Ph.D. (1979-1982). Dr. Steffes has worked at the Georgia Institute of Technology since 1982, as assistant professor (1982-1988), associate professor (1988-1994), professor (1994-present), and associate chair (2004-present). He has been involved with several space missions, including Pioneer-Venus, Magellan, the Advanced Communications Technology Satellite, Cassini, and Juno. He was a member of NASA’s SETI Microwave Observing Team and was involved with the Project Phoenix microwave search conducted by the SETI Institute. Dr. Steffes’ honors include the Metro Atlanta Young Engineer of the Year Award, presented by the Society of Professional Engineers (1985); the Sigma Xi Young Faculty Research Award (1988); elected membership to the Electomagnetics Academy (1990); the Sigma Xi Best Faculty Paper Award (1991); NASA Group Achievement Award for the High Resolution Microwave Survey Project, for which he was a principal investigator (1993); and the Institute of Electrical and Electronics Engineers Judith A. Resnik Award (1996). He was named a fellow of the IEEE in 2004. He has served on two other NRC study groups, and he chaired the Committee on Radio Frequencies (BPA/CORF) from 1998 to 2001. He was named a lifetime national associate of the National Academies in 2001.
MICHAEL W. TOMPKINS is a senior project engineer with KDM Systems, Incorporated, a firm specializing in technical consulting to the National Reconnaissance Office. He is a member of a team that spans multiple program offices and focuses on demonstrating and fielding advanced satellite payloads. He earned a B.S.E.E. from the University of Texas at Austin in 1993 and M.S. and Ph.D. degrees in electrical engineering from the University of Illinois at Urbana-Champaign in 1995 and 1997, respectively. Prior to joining KDM Systems in 2006, Dr. Tompkins was an engineering specialist for the Aerospace Corporation (1997 to 2003) and an assistant professor of electrical and computer engineering at Utah State University (2003 to 2005). He has led or participated in a wide range of research and development activities that combine the disciplines of electro-magnetics, microwave electronics, digital signal processing, and communications theory.
WILBUR TRAFTON is president of Will Trafton & Associates, an aerospace consulting firm. Previously he was president and chief operating officer of Kistler Aerospace Corporation. Prior to joining Kistler, Mr. Trafton was vice president/general manager of Boeing Expendable Launch Systems and president of Boeing Launch Services. He served as chairman of the board and president of Sea Launch Company, LLC. He was also president of International Launch Services. Mr. Trafton is a former associate administrator for spaceflight at NASA headquarters in Washington, D.C., where he was responsible for planning, budgeting, and execution of the Space Shuttle program, the International Space Station program, the Expendable Launch Vehicles program, and the Deep Space Network. He was also responsible for four NASA centers: Johnson Space Center in Houston, Texas; Kennedy Space Center, in Florida; Marshall Space Flight Center in Huntsville, Alabama; and Stennis Space Center in Mississippi. In 1997 Mr. Trafton was selected for the Presidential Rank of Meritorious Executive. He was also awarded two NASA Outstanding Leadership medals.
Mr. Trafton retired from the United States Navy as a captain after 26 years of service. He is a decorated combat vet-
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eran, having flown 85 combat missions from the aircraft carrier Shangri-la in the Vietnam War. He also served as commanding officer of the fast combat support ship Seattle in Desert Storm. He was awarded the Bronze Star for his duty in Desert Storm. He held a number of high-level positions in the areas of operations, acquisition of weapons systems, and international affairs, including commanding officer of Attack Squadron 113 and executive officer of the aircraft carrier Forrestal. He has over 3000 flight hours and 700 carrier landings.
A graduate of the U.S. Naval Academy, he received a master’s degree in operations research and systems analysis from the U.S. Naval Postgraduate School in Monterey, California. He is also a graduate of the Defense Systems Management College in Ft. Belvoir, Virginia.
BARRY M. ZILIN is the president and CEO of Practical Innovations International, a small business corporation that focuses on the key disciplines required to perform research, development, test, evaluation, production, operation, and maintenance of aerospace systems. Mr. Zilin retired from the Air Force in 1989 after 20 years of distinguished service during which he held a variety of system acquisition positions, including buyer, procuring contracting officer, program control chief of plans and advanced requirements, project engineer, program manager, and system program director. Mr. Zilin now consults for industry and government agencies, providing support for strategic planning; in depth research, studies, and analyses; program execution and management; systems engineering and analysis; business process reengineering; and proposal planning, preparation, and review. He has supported industry on U.S. and European space launch programs; ISR, communications, and experimental space vehicle programs; launch range upgrade, sustainment, and O&M programs; attack, strike fighter, and training aircraft programs; and restricted programs. He has participated on launch accident review boards. He has been an ad hoc member of the Air Force Scientific Advisory Board; an advisor to the Air Force PEO (Space), the Air Force vice chief of staff, and the commanders of the Air Force Materiel Command and Air Force Space Command; and a consultant to the DARPA director. Mr. Zilin earned a B.S. in aerospace engineering from the Polytechnic Institute of Brooklyn in 1968, and an M.S. in aerospace engineering from the University of Arizona in 1972. He holds a top-secret SCI clearance.
Representative terms from entire chapter:
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