Page:Air Service Boys Over Enemy's Lines.djvu/108

100 failed to explode when aimed true, or else only dug enormous craters in the ground where it did not matter, sometimes even a quarter of a mile away from the hangars. Jack's machine, it was found, was the only one badly damaged.

From that time there was one subject on which American and French pilots were agreed. They must certainly repay their enemy rivals for this visitation. The honors could not continue to be all on one side.

So from that hour every Allied pilot who went far back of the German lines used his glasses diligently, in the endeavor to locate the secret aviation field of the Boche. This would naturally be camouflaged in the customary fashion, at which the Teutons had become almost as proficient as the French; but trust an airman to spy out the lodging place of his kind.

Step by step they learned which direction the enemy planes took in coming to the front, and retiring when through for the day. Thus in good time the hiding place was found. Great was the delight of the whole Lafayette Escadrille when this confidential news was passed about. And, later on, a party of Allied aviators paid a night visit to the German camp, and dropped several tons of high explosives from bombing