They heard a frightful crash, much louder than any of those preceding it. The big plane rocked and swayed as though in a gale, and Tom needed all his skill to keep from being thrown off his balance.
It was no mystery to Jack. He realized that by a strange coincidence his falling bomb and that of the other rear plane had exploded simultaneously, making the ground vibrate, and completely destroying anything that had been left of the French chateau.
Their work in this quarter having been thoroughly accomplished the raiders now climbed higher, to rejoin the battleplane squadron hovering above, waiting to act once more as their armed escort.
Looking down in farewell, Jack could see fires burning. The shattered timbers of the wrecked chateau had been set ablaze. He would always remember that strange event whenever again watching fires from a lofty height in the night-time.
The squadron was off again, the second thrilling event connected with the bombing raid having come off as scheduled without any mishap to the Yankee air fleet.
Jack had kept quiet up to now, but it had cost him a severe effort. Talking when a plane is bombing on its way can never be anything of a
