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Rh trenches where the Boches had been in possession at the close of the previous day.

Yes, there was another burst of ambitious fliers rising to take a chance. The fact that already seven of their men had been dropped, several with their planes ablaze, did not deter them; for those German airmen had often proved their courage and were known as stubborn fighters.

Soon another battle below the clouds was in progress. Besides Tom, there were now only three of the Americans in the air, the remainder having been driven down, some in trouble of some kind, others to replenish their supplies. And there were four enemy planes, Tom noticed, even as he watched the machine of the captain and received the signal to attack the latest arrival in the enemy squadron.