"I take it," she said at last, slowly, "you couldn't detach any large force from the defense of Adam itself. So what have you brought? What are your plans?"
"We've a few spacecraft hidden on both the planet and yon moon. Everything is electronically shielded. Heat radiation fro' the will no' matter in this area, which had it already." Dunbar gestured ahead. "My task was mainly beneath the loch. We've installed certain ultra-high-powered weapons… camouflage and cooling alike—" He broke off. "Best I say no more."
She scowled at the upborne silt and shapeless trash which marred the purity of the wavelets. That defilement would surely mean nothing to a berserker—what did a robot know of the nature it was only intended to murder?—but to her, and Rainbow-in-the-Mist and everybody else who had dwelt near these shores and loved them—
Her wits were beginning to straighten out, though her head still felt full of sand. "You're laying a trap," she said.
He nodded. "Aye, that's obvious." His laugh clanked. "The trick is to keep it fro' being obvious to the enemy, until too late."
"But hold on… won't the disappearance of our works be a giveaway?"
"Make the foe suspicious, ye mean? Nay, that's the whole point. They know no' that Earth is aware o' this planet. 'Twas found just by chance, was it no', in the course o' an astrophysical 'survey? The general staff on Adam has decided that that chance could become an opportunity for us, to gi' them a blow in their metal bellies."
Dunbar glanced at her, at his watch, and back again. His tone gentled. "Lass—Dr. Jennison—'tis late by human clocks. Ye've had a rude shock, and I'm told ye've no' eaten, and ye do look fair done in. Let me take ye to some food and a good long sleep."
She realized it herself, weariness and weakness rising through her, breaking apart whatever alertness she had left. "I suppose you're right," she mumbled.
He took her elbow as they started down. "We need no' talk any further if ye'd liefer no'," he said, "but if ye would like a bit o' conversation, shall we make it about somewhat else than this wretched war?"
Mary Montgomery drew breath. "We discovered it by sheer accident," she told the berserker. "An astrophysical survey. Diffusion out o' yon nebula has minor but interesting effects on ambient stars—and on some more distant, as stellar light pressure and kinks in the galactic magnetic field carry matter off until it reaches a sun. An expedition went forth to study the phenomena closer. Among the samples it picked—more or less at random out o' far too many possibilities for a visit to each—among them was a red dwarf star, middle type M. They found it has a life-bearing planet."
An organic being should have registered surprise. The machine afloat in space said merely: "That is not believed possible. Give a low-temperature heat source, the range of orbits wherein water can be liquid is too narrow."
"'Tis no' impossible, just exceedingly improbable, that a planet orbit a cool sun in the exact ellipse necessary."
"And it must have the proper mass, be neither a giant dominated by hydrogen nor an airless rock."
"Aye, that makes the situation unlikelier yet. Still, this world is o' Earth size and composition."
"Granted that, it must be so close to its primary that rotation becomes gravitationally locked, not even to two-thirds the period of revolution, but to an identity. One hemisphere always faces the sun, the other always faces away. Gas carried, to the dark side will freeze out. Insufficient atmo-and hydrosphere will remain fluid' for chemical evolution to proceed to the biological stage."
Montgomery nodded her white head. Inwardly she wondered if the berserker carried that knowledge in its data banks or had computed it on the spot. Quite plausibly the latter. It had an enormous capability, the pseudo-brain within yonder hull. After all, it was empowered—no, wrong word—it was to bargain on behalf of its entire fleet.
Hatred surged. She gripped her chair arms with gnarled fingers as if she were strangling the thing she confronted.
Nay, she thought in her seething, it does no' breathe. Launch a missile, then! But none we ha' aboard could get past the defenses we know such a berserker has, and it would respond wi' much better armament than we carry. It could simply fire an energy beam, to slice our ship in twain like a guillotine blade going through a neck.
Nay, no' either, she thought, aware that the was altogether abstract. 'Tis o' destroyer class, no' big enough to hold the generator that could produce a beam strong enough. Dispersion across the distance between us— A dreadnaught could do so, o' course, though e'en its reach would be limited and the cut would be messy. To slash a real scalpel o'er this range, ye need power, coolant, and sheer physical size for the focusing—aye, ground-based projectors, like those we've built across Adam.
If a fight breaks out here, the berserker will swamp our own screens and antimissiles. As for its response, it need not e'en get a hit. A few kilotons o' explosion nearby will serve full well to kill us by radiation.
But my mind is wandering. We're no' supposed to provoke a battle. I ha' indeed grown old.
She chose to prolong matters a little, not to tease the enemy, which had no patience to lose (or else had infinite patience), but to assert her life against its unlife. "A philosopher o' ours has observed that the improbable must happen," she said. "If it ne'er did, 'twould be the impossible."
The hesitation of the machine was barely sufficient for her to notice. "We are not present to dispute definitions. How does this planet you speak of come to be inhabited? Where is it? Be quick. We have too many missions to undertake for the wasting of time."
Montgomery had long since won to resolution; but the words would not die, they stirred anew. Then one of the twelve, called Judas Iscariot, went unto the chief priests. And said unto them, What will ye give me, and I will deliver him unto you? And they covenanted with him for thirty pieces of silver.
She heard her voice, fast and flat: "Besides being in the right orbit, this Earth-sized planet has a Mars-sized companion. Therefore they are locked to each other, not to their sun. The period o' their spin is nine and a quarter Earth days, which serves to maintain atmospheric circulation. True, nights get cold, but no' too cold, when winds blow aye across the terminator; and during the long day, the oceans store mickle heat. The interplay wi' a year that is about twenty-two Earth days long is interesting—but no' to ye, I'm sure. Ye are just interested in the fact that this planet has brought forth life for ye to destroy.
"Ye ha' no' the ships to spare for a search, if ye're to carry out any other operations before an armada from our inner civilizations comes out against ye. Red dwarf stars are by far the commonest kind, ye ken.
"'Make the deal. Agree that, if this world is as I've described, ye'll stay your hand at Adam, whate'er ye may do elsewhere. Let the couriers disperse wi' the attestation o' this compact between us. After that I'll gi" ye the coordinates o' the star. Send a scout to verify—a small, expendable craft. Ye'll find I spoke truth.
"Thereafter, a single capital ship o' yours can write an end to yon life."
Sally Jennison woke after twelve hours, rested, hungry, and more clear-headed than felt good. The room lent her had barely space for a bunk and her piled-up baggage from the boat, Swearing, she wrestled forth a sweatsuit, got it on, and her way to the gymnasium of which she had been told. Men crowded the narrow corridors but, while she fell the gaze of many, none seemed to jostle her purposely, nor did any offer greetings. A sour, puritanical pack, the Adamites, she thought. Or am I letting my bitterness make my judgments for me?
A workout in the women's section, followed by a shower and change into fresh garments, took some of the edge off her mood. By then it was near noon on the clock; the rotation of the newcomers' planet was not much different from Earth's. She proceeded to the officers' mess, benched herself at the table, and ate ravenously. Not that the food was worthy of it; her field rations had been better.
A sandy-haired young woman on her right attempted friendliness. "Ye're the stranded scientist, no? My sympathies. I'm Kate Fraser, medical cor
ps." Reluctantly, Sally shook hands. "Ye're a… xenologist, am I right? Maybe, if ye've naught else to do, ye'd consider assisting in sickbay. Ye must know first aid, at least, and we're shorthanded. 'Twill be worse if we take casualties, come the action."
"That's no' to speak o' here, Lieutenant Fraser," warned 'a skinny redheaded man sitting opposite, "Besides, I do no' believe she'd fit into a naval organization." He cleared his throat. "Wi" due respect, Dr. Jennison. See ye,' every hale adult on Adam is a reservist in the armed forces until old age. Thus we're better coordinated in our units than any co-opted civilian could possibly be." Pridefully: "The berserkers will no' get nigh enough again to Adam to bombard it."
Anguish and anger kindled anew in Sally. "Why did you want to interfere on Ilya, then?"
"Forward strategy," said Fraser. The redhead frowned at her and made a shushing motion.
It went unseen by a very young officer whose plumpness, unusual in this assemblage, suggested a well-to-do home. "'Tis no' sufficient to throw back the damned berserkers," he declared. "They'll still be aprowl. Travel and outlying industries will still be endangered, insurance rates stay excruciating."
Sally knew little about Adam, but a memory stirred in her. After the last assault impoverished them and their planet, many of the people went into new endeavors requiring less in the way of natural resources than the original agriculture-based society had done. A stiff work ethic and, yes, a general respect for learning gave advantages that increased through the generations. Adamite shipping and banking interests were of some importance nowadays, in their stellar sector. Prim race of moneygrubbers, she thought.
"The basic problem to cope wi'," the boy went on, "is that the berserkers are von Neumann machines—"
"That will do. Ensign Stewart!" interrupted the redhead. "Report to my office at fifteen hundred hours."
Scarlet and white went across the youthful cheeks. Sally guessed Stewart was in for a severe reprimand.
"Sorry, Dr. Jennison," said the redhead. His tone was not quite level, "Military security. Ah, my name is Craig, Commander Robert Craig."'
"Are you afraid I'll ran off and spill your secrets to the enemy?" Sally jeered.
He bit his lip. "Surely no'. But wha' ye do no' know, the berserkers can so' torture out o' ye. They could, understand. They've robots among them o' the right size, shape, mobility-like soulless caricatures o' humans."
"What about you?"
"The men, and such officers as ha' no need to know, simply follow orders. The key officers are sworn to ne'er be taken alive." Craig's glance dropped to his sidearm. Stewart seemed to regain pride.'
"Can we no' talk more cheerful?" asked Fraser.
The effort failed. Conversation spattered out.
Ian Dunbar's place had been too far up the table for him to speak with Sally. He intercepted her at the mess-hall door. "Good day," he said in his odd fashion, half harsh, half diffident. "Ha' ye any plans for the next several hours?"
She glared at the angular countenance.. "Have you a library? I've nothing to read. Our books, our tapes—the station's, my own, like all our personal property—are gone."
He winced. "'Aye, o' course, we've ample culture, along in the data banks, text…video, music. I'll show ye to the screening room if ye wish. But—um-m, I thought ye might liefer ha' some private speech, now that ye're rested. Ye could ask me whate'er ye; like, and within the limits o' security I'd try to gi" honest answers."
Is this a leadup to a pass at me? she wondered. No, I don't suppose so. Not that it matters a lot. I'm certain I could curb him. But I suspect he curbs himself tighter than that. "Very well. Where?"
"My room is the only place. That is, we could go topside again, but there are things ye should perhaps see and—Naturally, the door will stand open."
A smile flitted of itself across Sally's lips.
Accompanying him through the passageways, she asked why men and machines continued busy. He explained that, while the basic installations were complete, plenty more could be done in whatever time remained, especially toward hardening the site. Let her remember that the berserker would come equipped to incinerate a world.
She almost exclaimed: You're not doing a thing to protect the Ilyans! but blocked the impulse. Later, maybe. First she needed to learn a great deal, and that required coolness: for her refreshed brain realized how little sense everything she had heard thus far made.
"You told me you're an engineer, Captain Dunbar," she angled instead. "What specialty?"
"Heavy, high-energy devices, for the most part," he replied. "In civilian life I've been on projects throughout scores o' lightyears. My employers are… contractors supplying technical talent, ye might say. 'Tis one o' the items Adam has for export."
"How interesting. Could you tell me something I've been wondering about? I heard a reference to it when I didn't have a chance to inquire what it meant or go look it up."
His mouth creased with the pleasure of any normal man consulted by an attractive woman. "Aye, if I know mysel'."
"What's a von Neumann machine?"
He broke stride. "Eh? Where'd ye hear that?"
"I don't think it's among your secrets," she said blandly. "I could doubtless find it in the base's reference library, which you just invited me to use."
"Ah—well—" He recovered and went onward, moving and talking fast, "'Tis no' a specific machine, but a general concept, going back to the earliest days o' cybernetics. John von Neumann proposed it; he was among, the pioneers. Basically, 'tis a machine which does something, but also fro' time to time makes more like itsel', including copies o' the instructions for its main task."
"I see. Like the berserkers."
"Nay!" he denied, more emphatically than needful. "A warship does no' manufacture other warships."
"True. However, the-system as a whole—the entire berserker complex, which includes units for mining, refining, production—yes, it functions as a von Neumann machine, doesn't it? With the basic program, that it copies, being the program for eradicating life. Additionally, the program modifies itself in the light of experience. It learns; or it evolves."
"Aye," he conceded, his unwillingness plain upon him, "ye can use that metaphor if ye insist."
For' a moment, she wished she hadn't asked. What had it gained her? A figure of speech, scarcely anything else. And what a chilling image it was. Not alone the fact of berserker auxiliaries ripping minerals out of planets and asteroids, digesting them, to fineness, fuming them into new machines which carried the same code as the old, the same drive to kill. No, what made her shiver was the sadden thought of the whole hollow universe as a womb engendering the agents of death, which later came back and impregnated their mother anew.
Dunbar's words brought deliverance. His mood had lightened, unless for some reason he wanted to divert her from her idea. "Ye're a sharp one indeed," he said almost cordially. "I look forward to better acquaintance. Here we are. Welcome."
Officers' quarters were individual chambers, four meters square. That sufficed for a bed, desk, shelves, dresser, closet, a couple of chairs, floor space for pacing if you grew excited or simply needed to ease tension. The desk held a computer terminal, eidophone, writing equipment, papers; the occupant must often work as well as sleep on the spot.
Sally looked around, curious. Fluorescent lighting fell chill on plastered walls and issue carpeting. Personal items were on hand, though—pictures, a few souvenir objects, a pipe rack and ashtaker, a tea set and hotplate, a small tool kit, a half-finished model of a sailing ship on ancient Earth. "Sit ye down," Dunbar urged. "Can I brew us a pot? I've ooloong, jasmine, green, lapsang soochong, as ye prefer."
She accepted, chose, granted him permission to smoke. "And why not shut the door, Captain?" she proposed. "It's so noisy outside. I'm sure you're trustworthy."
"Thank ye." Did an actual blush pass beneath that leathery tan? He busied himself.
The largest picture was a landscape, valley walled by heights, lake agleam in
the foreground. It did not otherwise resemble Geyserdale. Ground cover was sparse Earth grass and heather. Cedars sheltered a low house from winds that had twisted them into troll shapes. A glassy-bottomed crater marred a mountainside; stone had run molten thence, before congealing into lamps and jumbles. Clouds brooded rain over, the ridges. Above them, daylight picked out the pale crescents of two moons.
"Is that scene from Adam?" she inquired.
"Aye," he said. "Loch Aytoun, where I was born and raised."
"It seems to have… suffered."
He nodded. "A berserker warhead struck Ben Creran. The area was slow to recover, and has ne'er been fertile again as 'twas formerly." He sighed. "Though 'twas lucky compared to many, We've deserts fushed solid like yon pit. Other places, air turned momentarily to plasma and soil vaporized down to bedrock. And yet other places—but let's no' discuss that, pray."
She 'studied his lean form. "So your family isn't rich," she deduced.
"Och, nay." He barked a laugh. "The financiers and shipping barons are no' as common among us as folklore has it. My parents were landholders, on land that yielded little. They wrung a wee bit extra out o' the waters." Proudly: "But they were bound and determined their children would ha' it better."
"How did you yourself achieve that?"
"Scholarships through engineering school. Later, well-paid jobs, especially beyond our own planetary system."
You'd have to have considerable talent to do that, she thought. Her gaze wandered to another picture near the desk: a teenage boy and girl. "Are those youngsters yours?"
"Aye," His tone roughened. "My wife and I were divorced. She took custody. 'Twas best, I being seldom home. That was the root reason why Ellen left. I see them whene'er I can."
"You couldn't have taken a sedentary position?" she asked low.
"I do no' seem to be the type. I mentioned to ye before that I wanted to be a planetologist, but saw no openings,"
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