Front Matter -- Preface -- Acknowledgment of Reviewers -- Contents -- Summary -- 1 Background and Motivation -- 2 Lightweighting Airborne Vehicles -- 3 Lightweighting Maritime Vehicles -- 4 Lightweighting Land-Based Vehicles -- 5 Cross-cutting Issues and Challenges -- 6 Findings and Recommendations -- Appendixes -- Appendix A: Committee Biographies -- Appendix B: Presentations to the Committee -- Appendix C: Acronyms and Abbreviations.