XVII. When the U-Boats Came to America 187 XVIII. Marines Stopped Drive on Paris 206 XIX. The Answer to the 75-Mile Gun 218 XX. The Navy That Flies 228 XXI. The Ferry to France 241 XXII. Radio Girdled the Globe 250 XXIII. A Surprise for Count von Luxburg 259 XXIV. American Admiral Saved Kolchak 268 XXV. The Half-Way House 275 XXVI. To Victory on a Sea of Oil 280 XXVII. Edison--and 100,000 More 285 XXVIII. Building a Thousand Ships 297 XXIX. Making Sailors out of Landsmen 309 XXX. Three Hundred Thousand Strong 318 XXXI. Women in the Navy 328 XXXII. Coast Guard Wins Distinction 332 XXXIII. Winning the First Battle of the War 341 XXXIV. Fighting the Profiteers 347 XXXV. "Sirs, All Is Well with the Fleet" 354 XXXVI. After the Armistice 366 ILLUSTRATIONS Josephus Daniels _Frontispiece_ FACING PAGE War Chiefs of the Navy, the Secretary and his Advisory Council 16 A Friendly Bout 17 School Hour Aboard a Battleship 17 President Wilson and the War Cabinet 32 American Dreadnoughts, the Embodiment of Sea Power 33 American Destroyers in Queenstown Harbor 52 The Return of the Mayflower 53 The Surrender of the U-58 58 Crew of the Fanning, which sank the U-58 59 They, Too, Were Ready 67 The Seattle and Rear Admiral Albert Gleaves 68 A Dash through the Danger Zone 68 The Sinking of the President Lincoln 80 The Secretary of the Navy with Captain Dismukes and the men who saved the Mount Vernon 81 The Mount Vernon safely in port after being torpedoed 81 Brest, Center of the Great System of Naval Operations in France 112 A German "Sub" and Some of its Enemies 113 At Gibraltar, Key to the Mediterranean 124 The Great Mine Barrage against the Submarines 125 Planting Mines in the North Sea 128