Front Matter
Preface
Acknowledgment of Reviewers
Contents
Summary
1 Introduction
2 Top Technical Challenges and High-Priority Technologies by Roadmap
3 Integrated Ranking of Top Technical Challenges and High-Priority Technologies
4 Observations and General Themes
Appendixes
Appendix A: Statement of Task
Appendix B: Revised Technology Area Breakdown Structure
Appendix C: Acronyms
Appendix D: TA01 Launch Propulsion Systems
Appendix E: TA02 In-Space Propulsion Technologies

Appendix F: TA03 Space Power and Energy StorageAppendix G: TA04 Robotics, Tele-Robotics, and Autonomous Systems
Appendix H: TA05 Communication and Navigation
Appendix I: TA06 Human Health, Life Support, and Habitation Systems
Appendix J: TA07 Human Exploration Destination Systems
Appendix K: TA08 Science Instruments, Observatories, and Sensor Systems
Appendix L: TA09 Entry, Descent, and Landing Systems
Appendix M: TA10 Nanotechnology
Appendix N: TA11 Modeling, Simulation, and Information Technology and Processing

Appendix O: TA12 Materials, Structures, Mechanical Systems, and ManufacturingAppendix P: TA13 Ground and Launch Systems Processing
Appendix Q: TA14 Thermal Management Systems
Appendix R: Steering Committee, Panel, and Staff Biographical Information