| Portrait of Author | Frontispiece |
| The Vast Territory that Our Inflated Monroe Doctrine Obligates Us to Defend | 60 |
| The Heart of America | 76 |
| Relative Numerical Strength of Field Artillery | 104 |
| Portrait of General Leonard Wood, U. S. A. | 114 |
| Number of Officers and Enlisted Men of U. S. Regular Army | 118 |
| Strength of Regular Armies on Peace Footing | 125 |
| Portrait of Admiral Austin M. Knight, U. S. N. | 150 |
| Strategic Spheres of Vital Importance in the Pacific | 160 |
| Battleship Strength of the Nations | 168 |
| How New York Could Be Bombarded from a Position off Rockaway Beach Beyond the Range of Our Forts | 188 |
| Opposing Fleets in Action | 196 |
| Some Annual United States Expenditures | 226 |
| Enormous Resources of the Warring Nations | 232 |
| Casualties of Peace and War Compared | 296 |
