Page:Air Service Boys over the Rhine.djvu/179

Rh cried the major, shaking hands with Tom and Jack. "You will win promotion for this!" he murmured.

"But the big gun isn't found yet," said Jack.

"Why, if you are right, sir," Tom said to the major, "the shells must pass right over our camp."

"They probably do. But at so far above—several miles up so as to reach the height of thirty-five—that we never know it. We neither see them nor hear them. Boys, I believe you have located the big gun! All that now remains is to destroy it!"