A spark of light gleamed from the top of the head frame, then winked out. A few seconds later the valley was walloped by a sonic boom. T.R. was looking almost vertically up into the sky, but there was nothing to see. He checked his watch again, then turned back and indicated the microphone. An ELog employee snatched it from the table and ran it over to him. "Next one’s in seven minutes," he said. "You’ll want to come out into the open if you are hoping to see anything."