He swung the instrument back to Vale's position. His hands shook, though a part of his mind insisted obstinately that alarms were commonplace these days, and in common sense one had to treat them as false cries of "Wolf!" But one knew that some day the wolf might really come. Perhaps it had.... Lockley found it difficult to align the carrier beam to Vale's exact location. He assured himself that he was a fool to be afraid; that if disaster were to come it would be by the imbecilities of men rather than through creatures from beyond the stars. And therefore.... But there were other men at other places who felt less skepticism. The report from Vale went to the Military Information Center and thence to the Pentagon. Meanwhile the Information Center ordered a photo-reconnaissance plane to photograph Boulder Lake from aloft. In the Pentagon, hastily alerted staff officers began to draft orders to be issued if the report of two radars and one eye-witness should be further substantiated. There were such-and-such trucks available here, and such-and-such troops available there. Complicated paper work was involved in the organization of any movement of troops, but especially to carry out a plan not at all usual in the United States. Everything, though, depended on what the reconnaissance plane photographs might show. Lockley did not see the plane nor consciously hear it. There was the faintest of murmuring noises in the sky. It moved swiftly toward the north, tending eastward. The plane that made the noise was invisible. It flew above the cloud cover which still blotted out nearly all the blue overhead. It went on and on and presently died out beyond the mountains toward Boulder Lake. Lockley tried to get Vale back, to tell him that radars had verified his report and that it would be acted on by the military. But though he called and called, there was no answer. An agonizingly long time later the faint and disregarded sound of the plane swept back across the heavens. Lockley still did not notice it. He was too busy with his attempts to reach Vale again, and with grisly imaginings of what might be done by aliens from another world when they found the workmen near the lake--and Jill among them. He pictured alien monsters committing atrocities in what they might consider scientific examination of terrestrial fauna. But somehow even that was less horrible than the images that followed an assumption that the occupants of the spaceship might be men. "Calling Vale ... Vale, come in!" He fiercely repeated the call into the instrument's microphone. "Lockley calling Vale! Come in, man! Come in!" He flipped the switch and listened. And Vale's voice came. "_I'm here._" The voice shook. "_I've been trying to find where that exploring party went._"