Wabbly's in a mess without a bomber to help...." Sergeant Walpole did not reply. He was exhausted. He sat looking tiredly off through the rain in the direction of the approaching noise. Somehow it did not occur to him to run away. He sat quite still, smoking a soggy cigarette. Something beaked and huge appeared behind a monstrous oak-tree. It came on. The oak-tree crackled, crashed, and went down. It was ground under by the monstrous war-engine that went over it. The Wabbly was unbelievably impersonal and horrible in its progress. There had been a filling-station for gyrocars close by the place where the artillery-train had been wrecked. One of the eight-foot treads loomed over that station, descended upon it—and the filling-station was no more. The Wabbly was then not more than a hundred yards from Sergeant Walpole, less than a city block. He looked at it in a weary detachment. It was as high as a four-story house, and it was two hundred feet long, and forty feet wide at the treads with the monstrous gun-bulges reaching out an extra ten or fifteen feet on either side above. And it came grumbling on toward him. PART VI CONTENTS "... Considered as a strategic move, the Wabbly was a triumph. Eighteen hours after its landing, the orders for troops called for half a million men to be withdrawn from the forces at the front and in reserve, and munitions-factories were being diverted from the supply of the front to the manufacture of devices designed to cope with it. This, in turn, entailed changes in the front-line activities of the Command.... Altogether, it may be said that the Wabbly, eighteen hours after its landing, was exerting the military pressure of an army of not less than half a million men upon the most vulnerable spot in our defenses—the rear.... And when its effect upon civilian morale is considered, the Wabbly, as a force in being, constituted the most formidable military unit in history." (Strategic Lessons of the War of 1941-43.—U. S. War College. P. 93.) As Sergeant Walpole saw the Wabbly, there was no sign of humanity anywhere about the thing. It was a monstrous mass of metal, powder-stained now where shells had burst against it, and it seemed metallically alive, impersonally living. The armored tube with vision-slits at its ends must have been the counterpart of a ship's bridge, but it looked like the eye-ridge of an insect's face. The bulbous control-rooms at the ends looked like a gigantic insect's multi-faceted eyes. And the huge treads, so