The only sound was the swish of the jets against the sand as the big ship came down. Slowly, nose pointed skyward, a yellow tail streaming out behind the tubes, it settled to the ground like a cat nuzzling its haunches against a velvet pillow. Dave Langley peered through the viewport. "I feel kind of funny," he said. A tremor of excitement flooded through Cal Manners' thin frame. "Mars," he whispered. "We made it." Gently, the fins probed the sand, poking into it. Cal cut the power and the big s