fi \ FIRST BATTLESHIP THROUGH THE PANAMA CANAL In addition to its tremendous commercial value, the canal is_an important factor in our system of national defense. Its existence increases the efficiency of the navy tremendously. Mrssourr was the first battleship to pass through the great isthmian waterway. She is shown between Cucaracha and Pedro Miguel. snes sovenoretoonnsorsnenswensenscons fee TILBURY DOCKS OBJECT OF GERMAN ATTACK This illustration shows a portion of the great Tilbury docks, London, which German Zeppelins have repeatedly attempted to bombard. 364