Then it was gone. Matt closed his mouth and started to look away, when his attention was seized by the ice trail left as the rocket sliced its way through the outer atmosphere. White and strange, it writhed like a snake with a broken back. Under the driving force of the many-hundred-miles-an-hour winds of that far altitude it twisted visibly as he watched.

"That's all!" the cadet shouted. "We can't wait for the landing."

They went underground, down a corridor, and entered an elevator. It went up right out of the ground and into the air, supported by a hydraulic piston. It mounted close by the side of a rocket ship; Matt was amazed to see how large it was close up.

The elevator stopped and its door let down drawbridge fashion into the open hatch in the rocket's side. They trooped across; the cadet raised the bridge and went down again.

They were in a conical room. Above them the pilot lay in his acceleration rest. Beside them, feet in and head out, were acceleration couches for passengers. "Get in the bunks!" shouted the pilot. "Strap down."

Ten boys jostled one another to reach the couches. One hesitated. "Uh, oh, Mister!" he called out.

"Yes? Get in your couch."

"I've changed my mind. I'm not going."

The pilot used language decidedly not officerlike and turned to his control board. 'Tower! Remove passenger from number nineteen." He listened, then said, "Too late to change the flight plan. Send up mass." He shouted to the waiting boy, "What do you weigh?"

"Uh, a hundred thirty-two pounds, sir."