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118
THE ZEPPELIN RAID
all the customary formalities that more than ever are exercised in war times, to make sure that enemy spies do not get a footing on the soil of France.
Jack was highly pleased when finally the air service boys found themselves speeding toward the south of France, where the aviation camp at Pau was located, not far from the snowcapped Pyrenees Mountains that constitute the boundary line between the republic and Spain.
"Before another night we'll be there!" was his exultant exclamation; and Tom shared his enthusiasm, for he was as eager as his chum to complete his schooling in aviation and begin his task of flying for the beloved French republic.