Foreword / General James N. Mattis, USMC -- Acknowledgments -- Introduction -- Part 1. Terms of Reference: 1. Context ; 2. Defining culture -- Part 2. Five operational culture dimensions for planning and execution: 3. Dimension 1 - The physical environment ; 4. Dimension 2 - The economy ; 5. Dimension 3 - The social structure ; 6. Dimension 4 - The political structure ; 7. Dimension 5 - Belief systems -- Part 3. Toward applying operational culture: 8. From models to dimensions to observable realities ; 8. Operational culture learning in training and education -- Conclusion -- Appendix A. Glossary of terms -- Appendix B. Culture operator's questions -- Bibliography.