Billy Bones, sitting tight with fingers locked on the cockpit edge, had seen, followed and understood every movement they had made, the full meaning of that changing outline before them, the final nearness shown by the solidity of the approaching grey shape; and the one thought in his mind was a memory of two men meeting face to face on a pavement, both stepping sideways in the same direction, stepping back, hesitating and stepping aside again, halting, still face to face, and glaring or grinning at each other. Here they were doing just the same, only up and down instead of sideways--and here there was no stopping. He too saw the spread of wings loom up and out of either side of them, rushing up to meet them. The spread almost matched and measured their own--which meant a nose-to-nose crash. The cloud face was stirring, swirling, tearing open from the rush of their opposing windage. Had Charger time to--no, no time. They must be just ... it would be on the very cloud edge they would meet--were meeting (why didn't Charger turn, push her down, do something--anything) ... meeting ... (no escape after this collision--end on!) ... _now!_ Next instant they were in darkness--thick, wet, clammy darkness. No shock and crash of collision yet ... or yet. Billy didn't understand. Was he dead? Could you be killed so instantaneously you didn't feel it? It wasn't quite dark--and he could feel the cockpit rim under his hands--and---- They burst clear of the cloud, with trailing wisps sucking astern after them. He was bewildered. Then, even as Charger turned and shouted the explanation, he guessed at it. "Shadow--our own shadow," yelled Charger, and Billy, nodding in answer, could only curse himself for a fool not to have noticed (as he had noticed really without reasoning why) that the blurred, misty shape had grown smaller as well as sharper as they approached. "I didn't think of it either," Charger confessed after they were back on the 'drome, "and it scared me stiff. Looked just like a machine in thick cloud--blurred, sort of, and getting clearer as it came out to the edge." "It was as bad as that beastly Hun," said Billy, "or worse"; and Charger agreed. Now two experiences of that sort might easily break any man's nerve, and most men would need a spell off after an episode like the collision one. But Charger's nerve was none the worse, and although Billy swore his never really recovered, the two of them soon after put through another nose-on charge at a Hun, in which Charger went straight as ever, and when the Hun zoomed up and over, Billy had kept his nerve enough to have his gun ready and to put a burst of bullets up and into him from stem to stern and send him down in flames. Everyone in the Mess agreed here that the two were good stout men and had nothing wrong with their nerves. "Not much," said the narrator, "and they're still goin' strong. But you remember what started me to tell you about them?"