Olcott spread his hands in a meaning gesture. Few atmosphere pilots could handle the tricky manipulations of rocket-tubes. They were for emergency only, but this, Duncan thought, was an emergency. He thrust Olcott away and slid into the cushioned cradle-chair. His fingers, still stiff, poised over the keys. Then his old-time skill came back, the intricate series of what were really conditioned reflexes that made a pilot capable of handling a bank of tube keys. Split-second thinking wasn’t quite enough. Reactions had to be almost without thought. The ship spun down, and Duncan’s hands flashed into swift movement on the studs. The sudden acceleration hit him in the pit of the stomach. Olcott had braced himself, but was almost torn loose from his grip. For a moment the plane bucked and jolted madly, rocket fighting rocket, both fighting the gale. Then, without warning, they were above the storm, in air almost too thin for the prop, leveling off at an easy keel. * * * * * Duncan set the course due south and turned to Olcott for instructions. The latter was at another keyboard, carefully studying a visiplate before him. It showed the sky, dark blue and empty. After a moment Olcott made a few adjustments and came back to take over the controls. “Nice work. You’re a better pilot than I’d hoped. But you’ll need to be—” Olcott didn’t finish. Duncan was rubbing his skin with ice. “I know rockets. Say, isn’t this dangerous? We may be spotted from below.” “We won’t. This plane’s a chameleon. The man we’re going to see invented the trick for me. We’ve a double hull, and the outer skin’s transparent plastic. The space between the skins can be filled with certain colored gases—I’ve a wide range of colors. On the snowfield I used white, to blend with surroundings. Here it’s a blue gas. From below we’re invisible against the sky.” Olcott rose to make an adjustment. “I’d better lighten the color a bit. We’re going south fast, and the sky’s not so dark now.” Duncan nodded appreciatively. He had heard stories about Brent Olcott, few of them savory, but all hinting at the man’s intelligence and power. He was one of those who, in the Twenty-first Century, made money without being too scrupulous about his methods. Technically Olcott owned a firm named “Enterprises, Ltd.” Unlimited would have been more suitable. His finger was in plenty of pies, but he had always managed to pull out plums without getting his hands soiled. Legally his record was clean. But he was dangerous. When Duncan had accepted Olcott’s offer of help, he had known what that meant—a job, and a dirty one. Nevertheless, it would pay plenty—and it would mean freedom from Transpolar, and being with Andrea again. Duncan dressed in the clothes Olcott had provided, an unobtrusive dark fabricoid blouse and trousers, gathered at the ankles in the conventional fashion. In the heated cabin no more clothing was necessary.