LITMIR.BIZ

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often were about such matters.

      “Jovian gas is rich stuff,” he explained. “Chiefly hydrogen and helium, of course; but the scoopships separate out most of that during a pickup. The rest is ammonia, water, methane, a dozen important organics, including some of the damn . . . doggonedest metallic complexes you ever heard of. We need them as the basis of a chemosynthetic industry, which we need for survival, which we need if we’re to get the minerals that were the reason for colonizing the Belt in the first place.” He waved his hand at the sky. “When we really get going, we’ll attract settlement. This asteroid has companions, waiting for people to come and mine them. Homeships and orbital stations will be built. In ten years there’ll be quite a little city clustered around the Sword.”

      “It’s happened before,” nodded tight-faced Commander Warburton of Gunnery Control.

      “It’s going to happen a lot oftener,” Blades said enthusiastically. “The Belt’s going to grow!” He aimed his words at Ellen. “This is the real frontier. The planets will never amount to much. It’s actually harder to maintain human-type conditions on so big a mass, with a useless atmosphere around you, than on a lump in space like this. And the gravity wells are so deep. Even given nuclear power, the energy cost of really exploiting a planet is prohibitive. Besides which, the choice minerals are buried under kilometers of rock. On a metallic asteroid, you can find almost everything you want directly under your feet. No limit to what you can do.”

      “But your own energy expenditure—” Gilbertson objected.

      “That’s no problem.” As if on cue, the worldlet’s spin brought the sun into sight. Tiny but intolerably brilliant, it flooded the dome with harsh radiance. Blades lowered the blinds on that side. He pointed in the opposite direction, toward several sparks of equal brightness that had manifested themselves.

      “Hundred-meter parabolic mirrors,” he said. “Easy to make; you spray a thin metallic coat on a plastic backing. They’re in orbit around us, each with a small geegee unit to control drift and keep it aimed directly at the sun. The focused radiation charges heavy-duty accumulators, which we then collect and use for our power source in all our mobile work.”

      “Do you mean you haven’t any nuclear generator?” asked Warburton.

      He seemed curiously intent about it. Blades wondered why, but nodded. “That’s correct. We don’t want one. Too dangerous for us. Nor is it necessary. Even at this distance from the sun, and allowing for assorted inefficiencies, a mirror supplies better than five hundred kilowatts, twenty-four hours a day, year after year, absolutely free.”

      “Hm-m-m. Yes.” Warburton’s lean head turned slowly about, to rake Blades with a look of calculation. “I understand that’s the normal power system in Stations of this type. But we didn’t know if it was used in your case, too.”

      Why should you care? Blades thought.

      He shoved aside his faint unease and urged Ellen toward the dome railing. “Maybe we can spot your ship, Lieutenant, uh, Miss Ziska. Here’s a telescope. Let me see, her orbit ought to run about so . . . . ”

      *

      He hunted until the Altair swam into the viewfield. At this distance the spheroid looked like a tiny crescent moon, dully painted; but he could make out the sinister shapes of a rifle turret and a couple of missile launchers. “Have a look,” he invited. Her hair tickled his nose, brushing past him. It had a delightful sunny odor.

      “How small she seems,” the girl said, with the same note of wonder as before. “And how huge when you’re aboard.”

      Big, all right, Blades knew, and loaded to the hatches with nuclear hellfire. But not massive. A civilian spaceship carried meteor plating, but since that was about as useful as wet cardboard against modern weapons, warcraft sacrificed it for the sake of mobility. The self-sealing hull was thin magnesium, the outer shell periodically renewed as cosmic sand eroded it.

      “I’m not surprised we orbited, instead of docking,” Ellen remarked. “We’d have butted against your radar and bellied into your control tower.”

      “Well, actually, no,” said Blades. “Even half finished, our dock’s big enough to accommodate you, as you’ll see today. Don’t forget, we anticipate a lot of traffic in the future. I’m puzzled why you didn’t accept our invitation to use it.”

      “Doctrine!” Warburton clipped.

      The sun came past the blind and touched the officers’ faces with incandescence. Did some look startled, one or two open their mouths as if to protest and then snap them shut again at a warning look? Blades’ spine tingled. I never heard of any such doctrine, he thought, least of all when a North American ship drops in on a North American Station.

      “Is . . . er . . . is there some international crisis brewing?” he inquired.

      “Why, no.” Ellen straightened from the telescope. “I’d say relations have seldom been as good as they are now. What makes you ask?”

      “Well, the reason your captain didn’t—”

      “Never mind,” Warburton said. “We’d better continue the tour, if you please.”

      Blades filed his misgivings for later reference. He might have fretted immediately, but Ellen Ziska’s presence forbade that. A sort of Pauli exclusion principle. One can’t have two spins simultaneously, can one? He gave her his arm again. “Let’s go on to Central Control,” he proposed. “That’s right behind the people section.”

      “You know, I can’t get over it,” she told him softly. “This miracle you’ve wrought. I’ve never been more proud of being human.”

      “Is this your first long space trip?”

      “Yes, I was stationed at Port Colorado before the new Administration reshuffled armed service assignments.”

      “They did? How come?”

      “I don’t know. Well, that is, during the election campaign the Social Justice Party did talk a lot about old-line officers who were too hidebound to carry out modern policies effectively. But it sounded rather silly to me.”

      Warburton compressed his lips. “I do not believe it is proper for service officers to discuss political issues publicly,” he said like a machine gun.

      Ellen flushed. “S-sorry, commander.”

      Blades felt a helpless anger on her account. He wasn’t sure why. What was she to him? He’d probably never see her again. A hell of an attractive target, to be sure; and after so much celibacy he was highly vulnerable; but did she really matter?

      He turned his back on Warburton and his eyes on her—a five thousand per cent improvement—and diverted her from her embarrassment by asking, “Are you from Colorado, then, Miss Ziska?”

      “Oh, no. Toronto.”

      “How’d you happen to join the Navy, if I may make so bold?”

      “Gosh, that’s hard to say. But I guess mostly I felt so crowded at home. So, pigeonholed. The world seemed to be nothing but neat little pigeonholes.”

      “Uh-huh. Same here. I was also a square pigeon in a round hole.” She laughed. “Luckily,” he added, “Space is too big for compartments.”

      Her agreement lacked vigor. The Navy must have been a disappointment to her. But she couldn’t very well say so in front of her shipmates.

      Hm-m-m . . . if she could be gotten away from them—“How long will you be here?” he inquired. His pulse thuttered.

      “We haven’t been told,” she said.

      “Some work must be done on the missile launchers,” Warburton said. “That’s best carried out here, where extra facilities are available if we need them. Not that I expect we will.” He paused. “I hope we won’t interfere with your own operations.”

      “Far

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