This work would not have been possible without the financial support and encouragement of a number of outstanding and technically knowledgeable sponsors. These include both past and present, in alphabetical order:

Erik Antonsson
Chief Technologist, JPL

Mike Battaglia
Innovative Partnerships Program Office

Dave Beals
Chief Technologist, Exploration Technology Development Program, Langley Research Center

Robert Brummett
Project Manager, Trade Study on Autonomous Operations for the Crew Exploration Vehicle, Ames Research Center

Timothy J. Collins
Project Manager, Advanced Materials and Structures for the Modular Assembly of Large Space Platforms, Langley Research Center

Douglas A. Comstock
Director, Innovative Partnerships Program Office

Douglas A. Craig
Directorate Integration Office, NASA HQ

Jay Falker
Technology Assessment Lead, Office of Program Analysis and Evaluation, NASA HQ

Yuri O. Gawdiak
Program Integration Manager, Aeronautics Research Mission Directorate, NASA HQ

Samad Hayati
Chief Technologist, Mars Exploration Directorate, JPL

Terrence J. Hertz
Director, Aeronautics Technology, Aeronautics Research Mission Directorate, NASA HQ

Christopher Moore
Director of the Technology Development Program, Exploration System Mission Directorate, NASA HQ

Robert A. Pearce
Director, Strategy, Communications and Program Integration, Aeronautics Research Mission Directorate, NASA HQ

Frank Peri
Manager, Exploration Technology Development Program, Langley Research Center

George Price
Special Assistant, Aeronautics Research Mission Directorate, NASA HQ

Stephen L. Prusha
Program Manager, Strategic Systems Technology Program Office, JPL

Carl G. Ray
SBIR/STTR Program Executive

John R. Saiz
NASA Johnson Space Center

John F. Stocky
Technology Manager, New Millennium Program (NMP), JPL

Patrick A. Troutman
Project Manager, Architecture Definition and Analysis, Langley Research Center

Charles W. Whetsel
Chief Engineer, Mars Program, JPL

Thomas D. Whitmeyer
Aerospace Engineer, Space Shuttle Program Office, Space Operations Mission Directorate, NASA HQ