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<h2>MOONBASE</h2>
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<p>Greg asked, “Are they going to be all right?”</p>
<p>“Brennart’s as experienced as they come,” said Jinny Anson. “He knows how to take care of himself and his people.” But the worried frown on her face belied her confident words.</p>
<p>They were in the base control center, a big low-ceilinged room crammed with control and communications consoles. Every pump, valve, airlock hatch, air fan, sensor, heater, motor, and other piece of equipment in the base and outside on the surface was monitored from the consoles and could be manually controlled whenever it was necessary to override the automatic programming. One whole wall of the darkened, intensely quiet control center was an electronic schematic map of Moonbase, glowing with colored lines and symbols that showed everything in the base and its environs.</p>
<p>Anson had rushed down the tunnel from her office, with Greg in tow, the instant she heard that the flare had erupted. The focus of the center was a U-shaped set of communications consoles, with a trio of operators sitting within fingertip touch of a dozen different display screens. On those screens Greg saw several sections of the underground base, mostly labs and workshops, a lot of plumbing and pumps, and one chamber that looked like a hydroponics farm. There were also views of the surface outside on the floor of Alphonsus. The transfer rocket that had brought Greg to the Moon still sat out there, unattended. Tractors were pulling into the main airlock, trundling slowly across the crater floor to get into the garage and safely sheltered from the expected radiation cloud.</p>
<p>One screen seemed to be looking in on an office Earthside.</p>
<p>Greg could see a window with trees outside, behind an earnest-looking middle-aged man »n a tweed jacket.</p>
<p>Anson pulled up a spindly wheeled chair at one end of the consoles and worked the keyboard there. Hie tweedy graying man’s face appeared on her screen.</p>
<p>Standing behind her, Greg tried to figure out where on Earth he might be. Then he noticed a saguaro cactus poking its stiff arms into the bright blue sky amid the trees on the hillside beyond that window. It had to be Arizona.</p>
<p>Noticing him behind her, Anson handed Greg a headset.</p>
<p>“… Class Four,” he heard the man saying as he slipped on the earphone. “Almost a Class Five.”</p>
<p>“Yes,” Anson said, “but will it hit the Earth-Moon region?”</p>
<p>“Still hard to tell, Jinny. If we had warning satellites inside Mercury’s orbit, as I’ve been begging for over the past ten years we’d be getting data right now. As it is, we’ll have to wait for the plasma cloud to reach Venus’s orbit before we get any hard numbers.”</p>
<p>“How long will that take?” Anson asked.</p>
<p>“Judging from the microwave measurements, about another two hours.”</p>
<p>“It’s moving fast, then.”</p>
<p>“Faster than a speeding bullet.”</p>
<p>“Okay, thanks. Keep us informed, please.”</p>
<p>The gray-haired man nodded. “Certainly.”</p>
<p>Anson blanked the screen, then turned to Greg. “Well, they’ve got at least a few hours before the heavy radiation hits. If it hits at all.”</p>
<p>Greg asked, “It might miss us altogether?”</p>
<p>“There’s a chance. The flare spits out a big cloud of plasma, mostly very energetic protons. Bee ee vee protons.”</p>
<p>“Bee ee vee?”</p>
<p>“Billions of electron volts. Killer particles. Fry your butt in a few minutes.”</p>
<p>Doug’s out there, Greg said to himself. He hardly knew his half-brother. Over the past eighteen years he had seen Doug in person fewer than a dozen times, and then always with their mother between them.</p>
<p>“A couple meters of dirt is enough to stop the particles,” Anson was assuring him, “so as long as they’re inside the shelters they’ve dug they’ll be fine. Just like we are.”</p>
<p>“But you said the cloud might not even reach here.”</p>
<p>She nodded vigorously. “The cloud’s a plasma; ionized gas. That means it’s steered by the interplanetary magnetic field. The field is weird; it gets all looped up and tangled by the Sun’s rotation. So until we start getting radiation data from the satellites we’ve got between us and the Sun we won’t really know if the cloud’s going to come our way or not”</p>
<p>Greg murmured, “I see,” as he watched Anson’s face closely. ” She was telling him pretty much what he already knew about solar flares, but to her this was no dry astronomical colloquy. This was as real and vital to her as breathable air. “They’llbe okay,” Anson said, trying to smile. “Your brother “will come through this fine, I betcha.”</p>
<p>“Of course he will,” Greg said, wondering if that’s what he wanted. Doug’s only eighteen, he told himself. He’s no threat to me. But another voice in his mind countered, Not yet He’s no threat at present. But he’s out there on the Moon’s surface getting experiences that you’ve never had. Sooner or later he’s going to challenge you for control. Sooner or later. And Mom will be on his side. You know that. She’ll be helping him.</p>
<p>“Hey, he’s going to be all right!” Anson repeated, mistaking Greg’s withdrawn silence. “Really! You’ll see.”</p>
<p>“Of course,” Greg said.</p>
<p>“Come on.” Anson got up from her chair. “There’s lots more to see around here.”</p>
<p>“Now?” Greg asked, surprised. “With the flare and all?”</p>
<p>“Nothing we can do about the flare,” Anson said, almost cheerfully. “It either hits or it doesn’t. In the meantime there’s a lot for you to learn about and not much time to get it all in.”</p>
<p>“But I—”</p>
<p>I’m not going to miss my own wedding because you haven’t been completely briefed,” Anson said. She was smiling, but her tone was far from gentle. “Come on, we can start at the water plant”</p>
<p>Feeling just a little dazed, Greg followed her out of the control center and down the long tunnel.</p>
<p>“We’ve got to go all the way down to the end and then cut across, Anson said.</p>
<p>Feeling awkward,” almost embarrassed in the weighted boots, Greg asked,” ’Aren’t there any cross tunnels? Besides the one up at the main airlock?”</p>
<p>“Two,” replied Anson, “but they’re for emergency use only. They carry piping and electrical lines.”</p>
<p>Greg glanced up at the color-coded pipes and electrical lines running along the ceiling of the tunnel. “You mean that everybody has to walk the length of one tunnel to get to the next?”</p>
<p>“That’s what they’re supposed to do. Officially.”</p>
<p>“And in reality?”</p>
<p>She grinned at him. “They take shortcuts.”</p>
<p>“Then why don’t we?” He made himself smile back at her.</p>
<p>“It’s kind of cramped.”</p>
<p>“I’m not afraid of getting my coveralls dirty,” Greg said.</p>
<p>She seemed delighted. They ducked into the first cross-tunnel and Greg saw that it was indeed narrow and low enough to make him keep his head down. But he followed her along its dimly-lit length, noting idly that a fat person would have a difficult time squeezing through. Anson was not fat. She filled out her coveralls very nicely, but she was certainly not overweight.</p>
<p>“The EVC is all the way at the back of the base, as deep inside the mountain as we could put it,” she told Greg.</p>
<p>“EVC?”</p>
<p>“Environmental control center,” she explained. “That’s where we regulate the air’s CO2 content, the temperature and humidity and all. It’s not a hundred percent closed-loop, though. We have to add oxygen and nitrogen from time to time, keep the balance right.”</p>
<p>“Oh,” said Greg.</p>
<p>She went on, “We wanted to get the maximum of protection for the EVC. We can go for a couple of days without water, but if the air goes bad — <em>blooey,</em>everybody in the base is dead in an hour or so, I betcha.”</p>
<p>“But the water plant’s up front, near the main airlock?”</p>
<p>“Yeah,” Anson replied. “Plumbing’s easier that way. Cost an arm and a leg to dig the EVC in so deep. We had to run big exhaust tunnels through the solid rock. Corporation decided once was enough, so when we built the water plant we put it where we had easy access.”</p>
<p>Greg nodded. He knew all about the exorbitant costs of digging new living and working spaces on the Moon.</p>
<p>“I’ve been talking to some people at the University of Texas.” Anson said, “where my husband-to-be teaches. They think our water recycling system might be useful for big cities like Houston and Dallas.”</p>
<p>Really?”</p>
<p>“Really.” Anson said, with just a hint of sarcasm at Greg’s doubting tone. I’ll be talking with some people from Houston when I get back Earthside.”</p>
<p>Despite himself, Greg was impressed. “You could start a whole new product line for the corporation,” he said.</p>
<p>“Water recycling systems for major cities,” Anson chirped happily. “We could make a mint on it, I betcha.”</p>
<p>Once in the adjacent tunnel she led him to its front end.</p>
<p>“Main airlock is through that hatch.” Anson pointed. “That’s where we garage the tractors and decontaminate surface equipment.”</p>
<p>“Decontaminate?”</p>
<p>“Vacuum off the dust, mostly,” she said, leading him away from the hatch. “Freakin’ dust gets into everything, especially moving parts. It’s a real pain in the butt.”</p>
<p>They walked along the front face of the tunnel until they came to another airtight hatch. Greg saw WATER FACILITY stencilled on the smoothed rock wall next to the metal hatch. Beneath the neatly stencilled letters someone had daubed in orange dayglo.<em> You make water; we make water.</em> And over the hatch, another graffito:<em> Recycling is a piss-poor way of life.</em></p>
<p>“You leave them there?” Greg jabbed a finger at the graffiti.</p>
<p>With a half-smile Anson replied, “We scrub them off every now and then. Matter of fact, I was going to have the whole base cleaned up in your honor, but you got here too quick. These are new, though.”</p>
<p>Greg snorted with disdain.</p>
<p>“Don’t knock it too much’ Anson said. “Graffiti help people let off steam. And cleaning them up takes water that’s better used for more important things. Like living.”</p>
<p>He kept his silence as Anson showed him through the maze of pipes on the other side of the hatch.</p>
<p>“Everything in here is fully automated, so it’s not built for human comfort. Operators monitor the equipment, of course, but it runs by itself most of the time.”</p>
<p>“You need access for repair personnel, don’t you?” Greg asked.</p>
<p>“Sure. This is it, where we’re walking.”</p>
<p>The chamber was dimly lit, its ceiling oppressively low. Narrow walkways threaded through the convoluted piping. The place felt cold, but not dank, as a cave on Earth would. The pipes were all wrapped in insulation, Greg saw. Not a molecule of water was being wasted.</p>
<p>“Oxygen from the nanoprocessors comes in there,” she stretched an arm toward the shadowed recesses between the largest pipes, anodized green. “It’s in gaseous form, of course. Hydrogen comes in along those red lines. They’re mixed in those vats and the water is pumped out to the rest of the base along the blue pipes.”</p>
<p>“And the yellow pipes?” Greg asked.</p>
<p>“Used water coming in for recycling. Never eat yellow snow and never drink from a yellow pipe.”</p>
<p>Greg nodded in the shadowy dimness. Grinning, Anson seemed to be waiting for a reaction from him. After a few moments, though, her grin faded and she resumed her explanations.</p>
<p>“Hydrogen’s getting more and more expensive,” she said.</p>
<p>“How come? The nanomachines—”</p>
<p>“We have to go farther and farther out from the base to find hydrogen. We’ve picked the regolith clean of the stuff nearby.”</p>
<p>“Really?”</p>
<p>“Hey, we’re talking about individual atoms trapped in the regolith. There’s just not that much hydrogen out there. One hundredth of a percent, by mass, tops.”</p>
<p>“Still, the cost should be negligible.”</p>
<p>“Nanomachines ain’t cheap,” she said. “We have to produce them here and they won’t let us build the kind mat can reproduce themselves. Scared of runaways that could eat up the Moon, or some equally buttheaded scenario.”</p>
<p>Greg kept silent. He knew all about the reasons for the strict safety regulations.</p>
<p>“So the bugs are designed to operate only during the lunar night. After a few day-night cycles they break themselves down and we have to produce another batch.”</p>
<p>“But they can’t cost very much. A few kilograms can produce their weight in hydrogen thousands of times over, from the reports I’ve seen.”</p>
<p>Anson waved one hand in the air. “Yeah, but at our current rate of consumption we’ll have cleaned out the whole crater floor of hydrogen in another five years. Then it’ll be cheaper to import hydrogen from Earthside.”</p>
<p>“But you recycle…”</p>
<p>“Sure, but recycling isn’t a hundred percent efficient, of course.”</p>
<p>Greg thought a moment. “That’s why Brennart’s mission to the south pole is important.”</p>
<p>“Water’s valuable, even if it’s a thousand klicks away. We can use nanomachines to build a pipeline easily enough.”</p>
<p>“I wonder how much water they’ve found down there,” Greg said.</p>
<p>“Enough to last us until we’re ready to scoop volatiles from passing comets, I hope.”</p>
<p>Greg knew about the comet-scooping idea; it had been relegated to the realm of far-future projects that had neither funding nor anything else except the sketchiest of conceptual drawings.</p>
<p>“Won’t that be expensive?” It was the usual question, expected.</p>
<p>Anson laughed. “Sure it will, but then we won’t have to depend on Earthside for water. Our goal is to be self-sufficient.”</p>
<p>That surprised Greg. “Self-sufficient? When was that made a goal?”</p>
<p>“It’s<em> our</em> goal,” Anson said, “not the corporation’s. The goal of the Lunatics who keep coming back here no matter how many times they return Earthside.”</p>
<p>“Self-sufficient,” Greg repeated. It was a distant dream, he knew. These people are kidding themselves.</p>
<p>“Self-sufficient,” Anson repeated firmly.</p>
<p>“Then why aren’t you drilling for ammonia?” Greg asked.</p>
<p>The sudden shift of subject caught Anson by surprise. “Huh? Ammonia?”</p>
<p>“Nitrogen is your biggest import from Earth. The reason this base is sited at Alphonsus is that there have been seepages of ammonia and methane from below the crater floor. If you want to be self-sufficient you should be drilling for the ammonia.”</p>
<p>“That’s in our long-range plan,” Anson said defensively.</p>
<p>“Maybe we should move it up,” said Greg. “The methane could provide carbon. And hydrogen, too.”</p>
<p>“Not a helluva lot, according to our geological probes.”</p>
<p>“Shouldn’t you say selenological, rather than geological?”</p>
<p>She planted her fists on her hips. “I hope you’re joking.”</p>
<p>Greg let a ghost of a smile cross his lips. “Certainly.”</p>
<p>“Good. Come on, it’s almost time for dinner and we’ve got a lot of cost comparisons to do.”</p>
<p>The Cave was less than half full when they came in and got into line for the meal dispensers. Greg noticed that Anson studied her choices carefully before selecting soyburgers, salad and fruit drink. He punched the same buttons she did, and they carried their trays to a small table off in a corner by a pair of potted ficus trees.</p>
<p>They chewed through numbers with their meal, Anson pulling a palm-sized computer from her thigh pocket to call up data from the base’s main files. Greg quickly saw that while her immediate priorities were to keep costs as low as possible, her long-term goal was to make Moonbase independent of life-support imports from Earth.</p>
<p>She may be getting married, Greg thought, but she really intends to come back here. I wonder if her future husband understands that?</p>
<p>“That’s the only way to make this rat’s nest really profitable,” she insisted. “Cut the umbilical from Earthside. Moonbase has<em> got</em> to become self-sufficient.”</p>
<p>“Even if you have to go out and scoop volatiles from comets?”</p>
<p>“Hey, don’t knock it. Even teeny little comets spew out thousands of tons of water vapor and other volatiles per hour.”</p>
<p>“I understand—”</p>
<p>“Less than the cost of imports, once we get the program started. It’s the design and test phase that soaks up the money. Operations should be cheap: just the cost of the fuel and the teleoperators in the command center. Peanuts.”</p>
<p>“How soon do you see this happening?”</p>
<p>She picked at her salad. “Not for years, of course. Maybe ten or more. Too far out for the corporate five-year plan.”</p>
<p>Greg shifted gears again. “When is the mass driver going to be finished?”</p>
<p>She was ready for that one, though. Probably expected it ’When the freakin’ corporation bumps its priority up closer to the top. We’re not getting much support from Savannah on it, y’know.”</p>
<p>“Why not?”</p>
<p>“Rocket fuel’s cheap enough. The nanomachines produce enough aluminum and oxygen; we don’t need an electrical slingshot.”</p>
<p>“A mass driver would reduce launch costs by a factor of ten or better,” Greg said. Then he added, “It should have been completed years ago.”</p>
<p>Anson scowled across the little table at him. “Sure it should, but with practically no corporate support we have to stooge it along on our own resources.”</p>
<p>“Even using nanomachines, it’s going so slowly?” Greg asked. It sounded accusatory and he knew it.</p>
<p>“Nanomachines.” Anson snorted. “Some people think they’re like a magic wand. Just throw in some nanomachines and<em> poof!</em> the job’s done for you, like the shoemaker’s elves.”</p>
<p>Despite himself, Greg smiled at her. “It doesn’t work that way?”</p>
<p>“Building something as complex as a mass driver is a tough job, even with nanomachines,” she said. “Freakin’ job’s turned into a nanotechnology research program. We’re learning a lot about how to develop the little critters; we’re producing a helluva lot of research papers and graduate degrees. But the mass driver’s more than a year behind schedule.”</p>
<p>“I know,” said Greg.</p>
<p>“It’ll get done,” she promised. “But not on the schedule set up in Savannah.”</p>
<p>“Can you do it entirely out of lunar materials? Even the superconducting magnets?”</p>
<p>“Yeah, sure. And we don’t need superconductors. We dropped that in favor of cryogenic aluminum magnets. Keep ’em cool and they’re almost as good as superconductors.”</p>
<p>“But they draw some current, don’t they?”</p>
<p>Anson shrugged. “Not much. And electricity’s cheap here. We just set up a few extra acres of solar cells. Keep the magnets shaded from the Sun and the liquid nitrogen stays cold. That’s another advantage we’ve got here.”</p>
<p>“Realistically, when do you think the mass driver will be up and working?”</p>
<p>She looked up at the rock ceiling, thinking. “Maybe during your year,” she said. “More likely, not until the next director replaces you.”</p>
<p>“That’s not very good, is it?” Greg criticized.</p>
<p>Anson sighed — almost a huff — and returned her attention to what was left of her soyburger. Then she looked up, her face sad.</p>
<p>“Look,” she said, “I know there’s great things just waiting to be done here. Tremendous things! But I’m leaving. I’m just an employee and I’ve had to stay strictly within the limits the corporation’s set for Moonbase. You can do a helluva lot better, I know.”</p>
<p>“I didn’t mean—”</p>
<p>Tears were welling in her eyes. “Don’t you think I can see what Moonbase can be, if we really dig in and give it our best? I’m supposed to squeeze a profit out of this place, not plow the profits back in to make it self-sufficient. That’s for<em> you</em> to do. That’s why your mother’s sent you up here, isn’t it?”</p>
<p>Greg realized his mouth was hanging open with surprise. Is that why Mom’s sent me here? No. It was my idea to come here; she was against it. Or was she, really? Has she been manipulating me all along? Does she think that a few months up here will turn me into an advocate for Moonbase?</p>
<p>Before he could formulate an answer for her, Anson’s personal computer chimed. She tapped the comm button and they both heard:</p>
<p>“Word just came up from Tucson. The plasma cloud will engulf cislunar space in less than two hours. Radiation levels will exceed four hundred rads per hour for at least twenty-four to thirty-six hours.”</p>
<p>Anson acknowledged the message, then looked at Greg again. “You’re in luck. Nothing’s going to be moving on the surface for a while. There’ll be a flare party starting before long. Hope you brought your dancing shoes.”</p>
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