Crosslink Winter 2008/2009 Contributors
NASA's Greatest Observatory—The Hubble Space Telescope
David A. Bearden, Principal Director, NASA Advanced Programs Directorate, has supported many NASA interplanetary and Earth-science programs. In 2006, he shared The Aerospace Corporation President's Award for leading the Hubble Space Telescope Servicing Analysis of Alternatives. He was also the recipient of the Aviation Week & Space Technology Annual Aerospace Laurels in 2000. Bearden joined Aerospace in 1991. He has a Ph.D. in aerospace engineering from the University of Southern California.
Allan R. Cohen, Senior Project Leader, NASA Headquarters and Goddard Space Flight Center Programs, joined Aerospace in 1981 and has worked in many different capacities, including the Structural Mechanics Subdivision, the MILSATCOM program office, and various program offices in the National Systems Group. Since joining Civil and Commercial Operations in 2000, he has been responsible for numerous Aerospace projects in support of NASA, including direct support to the Hubble Space Telescope Program Office. He has an M.S. in aeronautics and astronautics from Purdue University.
Maintaining the Legacy of Landsat
Steven J. Covington, Senior Project Leader, NASA Headquarters and Goddard Space Flight Center Programs, serves as engineering and operations coordinator for the U.S. Geological Survey's Landsat 5 and Landsat 7 missions. He joined Aerospace in 1995, supporting NASA and the U.S. Geological Survey in the Landsat 7 ground system development before moving to flight operations support after launch. He has a B.S. from Rochester Institute of Technology.
Thomas R. Hill, Senior Project Engineer, NASA Headquarters and Goddard Space Flight Center Programs, currently serves as engineering and operations coordinator for the U.S. Geological Survey's Landsat Program. He joined Aerospace in 1999, and has also served in support of NOAA and its geostationary weather satellite constellation. He has an M.S. in computer science from Colorado Technical University.
Monitoring the Global Environment from Space
Jim O'Neal, System Director, Suitland Program Office, works in support of the NOAA/NESDIS Office of Systems Development. Prior to joining Aerospace in 2000, he served as technical team leader for NOAA's Polar-orbiting Operational Environmental Satellite (POES) program. He served in both the Army and the Air Force in many space-related assignments. He has M.S. degrees in statistics and electrical engineering.
Independent Assessments for NASA
Robert E. Bitten, Senior Project Leader, NASA Advanced Programs Directorate, received the NASA Cost Estimating Support Contractor of the Year award for 2007. Bitten has worked throughout the lifecycle of NASA projects ranging from strategic planning to concept development, proposal evaluations and milestone reviews, to launch. He shared The Aerospace Corporation President's Award for his work on cost-effectiveness assessment for the Hubble telecope analysis of alternatives in 2006. He has a B.S. in industrial and systems engineering from the Georgia Institute of Technology and an M.B.A. from Pepperdine University.
Debra L. Emmons, Systems Director, NASA Advanced Programs Directorate, manages independent assessment support to NASA customers. Since joining Aerospace in 2003, she has supported numerous NASA project and program assessments, including the Mars Science Laboratory and Constellation program. She developed a quantitative schedule analysis tool and has used it on several NASA proposal evaluations and assessments. She shared The Aerospace Corporation President's Award in 2006. She has an M.S.E.E. from Cornell University and an M.B.A. from the Imperial College of London.
Leveraging the Civil Investment in Space Science
J. B. Blake, is a distinguished scientist in the Space Science Applications Laboratory, where he has worked since 1962 (when it was known as the Space Physics Laboratory). Blake has served as investigator on many scientific satellite missions and more than 20 Air Force research and engineering missions. His research has focused on beta decay; the Mossbauer effect; magnetospheric, auroral, and cosmic ray physics; and nuclear astrophysics. He is a Fellow of the American Physical Society and the American Geophysical Union. He was awarded The Aerospace Corporation Trustees' Award in 1986. He has a Ph.D. in physics from the University of Illinois.
James H. Clemmons, Principal Director, Space Science Applications Laboratory, joined Aerospace in 1997 to conduct experiments that probe the space environment. He has led development of approximately 20 scientific instruments that have flown in space on sounding rockets and satellites to investigate a variety of phenomena in Earth' s magnetosphere as well as its ionosphere-thermosphere-mesosphere system. He has a Ph.D. in physics from the University of California, Berkeley.
Joseph F. Fennell, Distinguished Scientist, Space Science Applications Laboratory, is widely recognized for his work in space plasma research and the application of space physics knowledge to the operation of space systems. Fennell began working at Aerospace in 1971. He has been an investigator on many space experiments that studied auroral phenomena, satellite charging, and Earth's radiation belts and served as a co-investigator on the NASA Radiation Belt Storm Probes mission. Fennell has written numerous scientific publications and technical reports on trapped energetic particles and space plasmas. He received The Aerospace Corporation President's Award in 2006. He has a Ph.D. in physics from Saint Louis University.
A Vacation in Space
Glenn Law, Senior Project Engineer, Launch Support Division, was one of three lead developers of Aerospace's Concept Design Center (CDC). He is also the lead developer of the Launch Vehicle CDC and the Ballistic Missile CDC, and has led numerous CDC teams for various Air Force studies. He led the team that developed the spaceport licensing documents for the Oklahoma Space Industry Development Authority in its pursuit of an FAA license. Law began working at Aerospace in 1991. He has an M.S. in aeronautics and astronautics from MIT.
Signal Enhancement for the Human Voice
Tamitha L. Skov (née Mulligan), Research Scientist, Space Sciences Department, joined Aerospace in 2004 and works in the fields of solar ejecta, energetic particle transport, penetrating radiation in Earth's magnetosphere, and audio signal recording and processing. In addition, she joined the National Law Enforcement and Corrections Technology Center in 2005 where she serves as an audio forensics analyst and instructor. She received a Ph.D. in space plasma physics from UCLA.
James L. Roeder, Senior Scientist, Space Sciences Department, leads research in space plasma physics and spacecraft-environment interactions. Since 1996 he has supported the National Law Enforcement and Corrections Technology Center—estern Region, primarily focused on the analysis and enhancement of audio recordings. He has worked at Aerospace since 1982 and has a Ph. D. from the University of Houston.
Flight Systems Engineering for Robotic Spacecraft
Frank F. Donivan, Systems Director, NASA Headquarters and Goddard Space Flight Center Programs, manages the technical staff supporting TDRS and Landsat flight projects as well as the NASA Earth Science Technology Office and the Constellation program at NASA Headquarters. Donivan's background includes radio astronomy, interplanetary navigation, and ground system architectures as well as system engineering. He has a Ph.D. in astronomy from the University of Florida. He joined Aerospace in 1997.
Matthew J. Hart, Systems Director, NASA Advanced Programs Division, oversees Aerospace engineering analysis support to JPL, NASA Ames and Glenn Research Centers, and others. He has led systems engineering, architecting, mission assurance, and reliability studies for numerous NASA missions and programs, including the Jupiter Icy Moon Orbiter High Capability Instrument Study and the Project Prometheus Analysis of Alternatives. Hart joined Aerospace in 1987 and shared The Aerospace Corporation President's Award for the Hubble Space Telescope Servicing Analysis of Alternatives in 2006. He has an M.S. from Stanford University in aerospace engineering.
The Moon, Mars, and Beyond
David S. Adlis, Systems Director, Houston/NASA Programs, has more than 10 years of experience as a NASA project manager in the development and delivery of a wide variety of spacecraft equipment. His primary expertise is in systems engineering and hardware development for human spaceflight. He has received the Johnson Space Center Certificate of Commendation for leadership in intercenter and international coordination in the development and integration of spaceflight hardware as well as the Silver Snoopy Award. He has an M.S. from Texas A&M University. He joined Aerospace in 2000.
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