CHAPTER XV
THE MOONLIGHT FLIGHT
The time for talking had passed. With the motor working noisily, and the twin propellers churning the air, they could hardly have heard the discharge of one of the Big Berthas', as the Allies were wont to call the monster Krupp guns, and so called them because a woman whose maiden name had been Bertha Krupp, owned a big interest in the works where they were manufactured.
All was dark around and below them. Above the stars shone, and gave a small amount of cold, cheery light. Tom had made a study of the heavens, and was able to steer by means of the stars. The aviator is often as much dependent on compass and heavenly bodies to shape his course as the sailor hundreds of miles away from land.
Tom was in no especial hurry. He had carefully thought out his plans, and meant to pass over Verdun at just a certain time. Then would come the two lines of hostile trenches, and the ordeal of searchlights and shrapnel. Once that was done with, they had really little further to fear.
The minutes slipped away. Under ordinary
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