ACKNOWLEDGEMENTS

The following individuals have provided significant contributions or support to the development of this report:

THE OFFICE OF EXPLORATION STAFF, NASA HEADQUARTERS

Alan Ladwig

Jimmy Underwood

Barbara Trott

INITIATIVE ADVOCATES

Mission to Planet Earth: Dixon Butler, NASA Headquarters

Exploration of the Solar System: Gentry Lee, Jet Propulsion Laboratory

Outpost on the Moon: Barney Roberts, NASA/Johnson Space Center

Humans to Mars: John Niehoff, Science Applications International Corporation

WORKSHOP PARTICIPANTS, REVIEWERS, AND CONSULTANTS

John Aaron, NASA/Johnson Space Center

Joseph Alexander, NASA Headquarters

Neil Armstrong, CTA, Inc.

Barbara Askins, NASA Headquarters

Kenneth Atkins, Jet Propulsion Laboratory

D. James Baker, Joint Oceanographic Institutions, Inc.

Peter Banks, Stanford University

Roger Bourke, Jet Propulsion Laboratory

Darrell Branscome, NASA Headquarters

Francis Bretherton, National Center for Atmospheric Research

Geoffrey Briggs, NASA Headquarters

Robert Brodowski, NASA Headquarters

Corinne Buoni, Battelle Columbus Laboratory

Kevin Burke, Lunar and Planetary Institute

Edward Campion, NASA Headquarters

Michael Carr, U.S. Geological Survey

Moustafa Chahine, Jet Propulsion Laboratory

Raymond Colladay, NASA Headquarters

Robert Curran, NASA Headquarters

Al Diaz, NASA Headquarters

Martin Donohoe, NASA/Goddard Space Flight Center

Michael Duke, NASA/Johnson Space Center

John Dutton, Pennsylvania State University

John Eddy, National Center for Atmospheric Research

Kyle Fairchild, NASA/Johnson Space Center

Alan Friedlander, Science Applications International Corporation

Edward Gabris, NASA Headquarters

Drew Gaffney, NASA Headquarters

Jim Garvin, NASA/Goddard Space Flight Center

James Green, NASA/Goddard Space Flight Center

Werner Gruhl, NASA Headquarters

Robert Gurney, NASA/Goddard Space Flight Center

Mike Haddad, NASA/Kennedy Space Center

Steve Hawley, NASA/Johnson Space Center

Mark Hess, NASA Headquarters

Kristin Hessenius, NASA/Ames Research Center

Noel Hinners, NASA Headquarters

Lee Holcomb, NASA Headquarters

Wayne Hudson, NASA Headquarters

Paul Keaton, Los Alamos National Laboratory

Mary Denise Kerwin, NASA Headquarters

James Lawless, NASA/Ames Research Center

James Lawrence, NASA/Langley Research Center

John Logsdon, The George Washington University

Jim Martin, Consultant

Lisa McCauley, Battelle Columbus Laboratory

John McLucas, Questech, Inc.

Wendell Mendell, NASA/Johnson Space Center

Robert Murray, NASA/Langley Research Center

Brian Muirhead, Jet Propulsion Laboratory

John Muratore, NASA/Johnson Space Center

Thomas Paine, National Commission on Space

Claire Parkinson, NASA/Goddard Space Flight Center

Kenneth Pedderson, NASA Headquarters

Sam Phillips, retired

Don Rea, Jet Propulsion Laboratory

Jim Randolph, Jet Propulsion Laboratory

Robert Rosen, NASA Headquarters

Stan Sadin, NASA Headquarters

Vincent Salmonson, NASA/Goddard Space Flight Center

Leslie Greenbauer-Seng, NASA/Lewis Research Center

Nancy Sliwa, NASA/Langley Research Center

Marcia Smith, Congressional Research Service

Gerald Soffen, NASA/Goddard Space Flight Center

Carol Stoker, NASA/Ames Research Center

Frank Sulzman, NASA Headquarters

Shelby Tilford, NASA Headquarters

Lee Tilton, NASA Headquarters

Robert Watson, NASA Headquarters

Jaspar Welch, retired

Lynette Wigbels, NASA Headquarters

David Williamson, NASA Headquarters

Gregory Wilson, NASA/Marshall Space Flight Center

Archie Young, NASA/Marshall Space Flight Center

Editor: Terri Ramlose, Science Applications International Corporation

Design: Martha Fahrenwald Design