FrontMatter -- Acknowledgments -- Contents -- Summary -- 1 Introduction -- 2 Sources of Uncertainty and Error -- 3 Verification -- 4 Emulation, Reduced-Order Modeling, and Forward Propagation -- 5 Model Validation and Prediction -- 6 Making Decisions -- 7 Next Steps in Practice, Research, and Education for Verification, Validation, and Uncertainty Quantification -- Appendixes -- Appendix A: Glossary -- Appendix B: Agendas of Committee Meetings -- Appendix C: Committee Biographies -- Appendix D: Acronyms.