Page:Air Service Boys Flying for France.djvu/131

126 is exceedingly difficult to shoot down from a rapidly moving plane, but after considerable practice the eye becomes educated to the changing perspective, when the airman finds it as easy to register hits as though he were upon the solid earth.

Finally came the day when the two young Americans, having completed their schooling, were allowed to offer their services at the front to fill the sadly depleted ranks of the foreign Flying Corps. They left the training camps, and took train for the region where the German invading host was being held at bay by the allied armies.

"Now, I guess we'll see service before long, Tom!" cried Jack eagerly.

"I shouldn't wonder but what you are right," was the reply.