Dark Matter

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“Blue Flight, go to E-­and-­E!” Gallagher yelled, breaking hard high and to port. E and E—­Evasion and Escape. It was time to get the hell out of Dodge.

Sharp turns with a singularity fighter were always dicey, requiring the drive to anchor the gravity ball and allow the fighter to whip around it into the new desired course. The tricky part was keeping the fighter smoothly riding the gravity well’s sides without slipping in close enough to be caught in the microsingularity’s tidal effects. Maneuvering in a singularity fighter was completely unlike flying an atmospheric wing. Rather than banking and turning on air, it was space itself that was being twisted, allowing one vector to be shifted to another in a 90-­degree turn, or even through a full one-­eighty. Do it right and you slid around the artificial black hole smoothly, the sky wheeling past your head and you didn’t even feel the turn because you were still in free fall. Do it wrong and in an instant your fighter would be shredded into metallic confetti . . . a process technically known as spaghettification.

Jinking in three dimensions, Gallagher worked to keep the enemy warheads guessing, letting his ship’s AI handle the math, but guiding the process with his organic brain to keep the maneuverings as random and as unpredictable as possible. One of the antimatter warheads detonated several thousand kilometers to starboard, the flash wiping out the sky for a light-­dazzled ­couple of seconds. A blue icon winked out of existence with the flash. Blue Four, Dwayne Tanner . . . and the end had come so quickly he’d not even realized he was dying.

“Blue Leader, Blue Two!” Joyce screamed. “I’ve got two on my tail! Can’t shake them!”

On the in-­head, Gallagher could see Blue Two twisting hard to escape a pair of Todtadlers closing on her six, but he was too far . . . too far. . . .

“I’m on it, Karyl,” Truini called back. “Going to guns. Target lock . . . and fire!”

Blue Three swung into perfect line with the two Death Eagles at close range, spraying kinetic-­kill Gatling rounds into their path. First one, then the other of the KRG-­60s flared into savage smears of white-­and-­orange light, the wreckage twisting wildly into the fighter’s own drive singularity and vanishing in an instant.

“Good shot!” Gallagher told Truini, but then he had some serious problems of his own: a Black Mamba settling in on his own six and accelerating fast.

Cutting acceleration, Gallagher spun his Starhawk end for end, so that he now was facing the oncoming Mamba, traveling stern-­first. He selected two AS-­78 AMSO rounds. The acronymn stood for anti-­missile shield ordnance, but they were better known as sandcasters—­unguided warheads packed with several kilos of lead spherules, each as small as a grain of sand.

“Fox Two!” he called—­the launch alert for unguided munitions, and he sent the AMSO warheads hurtling toward the Mamba. They detonated an instant later, firing sand clouds like shotgun bursts directly in the Mamba’s path. Before the Black Mamba’s AI could correct or dodge, the missile had hit the sand cloud at a velocity so high that the missile flared and disintegrated . . . then erupted in a savage burst of matter-­antimatter annihilation.

The blast was close . . . very nearly too close. The expanding plasma wall nudged Gallagher’s Starhawk as it unfolded at close to the speed of light, putting him into a rough, tumbling spin. For the next several seconds he was extremely busy, trying to balance his Starhawk’s attitude controls to bring him out of the tumble.

Then he had the nimble little ship back under control, with tiny Enceladus and, beyond, the looming bulk of Saturn filling the forward sky. Red icons were scattering rapidly past and around him, he saw; those were the enemy fighters. Farther off, still a million kilometers away, a small knot of red icons marked an incoming continent of Confederation capital ships. The big boys were decelerating now, closing on Enceladus and leaving the mop-­up of the defending USNA squadron to their own fighters.

And Gallagher didn’t see any way he could stop them, or even to get close. The last of Red Flight was gone, now, and the three remaining fighters of Blue Flight weren’t going to be able to do a damned thing about those heavies. His AI’s warbook was busily cataloguing the enemy fleet . . . two heavy cruisers, a light carrier, half a dozen destroyers, a ­couple of monitor gun platforms, a heavy transport . . .

Jesus! What did they think the USNA had deployed out here on this damned little iceball? Salad Bowl was a civilian research station, nothing more, an exobiology outpost hunting for alien life in the salty deep-­ocean pockets beneath the Enceladean ice. The Starhawk squadron had been placed here to protect against minor Pan-­European raids . . . but what he was seeing here was a large-­scale invasion. That transport was almost certainly a troop ship.

They might yet manage to do some damage. “Listen up, team,” he called. “We’re on a vector that will take us within ten thousand kilometers of that transport. I think it’s probably a troop ship, okay? Hit that baby, and we might be able to throw a major wrench into the Pannies’ plans.”

A troop ship meant troops, which meant the Pan-­Europeans were here to occupy Enceladus or some other body in the Saturn subsystem . . . Titan, possibly, or the Huygens ERRF observatory in Saturn orbit. Destroy or damage it badly enough, and those invasion plans would have to be scrubbed. Gallagher had two Kraits left in his armament bays; he would shoot one and save the other as a just-­in-­case.

“That’s gonna really stir up a hornet’s nest,” Joyce said.

“Yeah, boss,” Truini added. “And what’s the point, anyway? We have to surrender. We’ve freakin’ lost!”

Gallagher considered the question. Out here on the cold, empty ass-­edge of the system, concepts like duty and honor just didn’t count for as much as they might back in more civilized areas. Here, you fought for your buddies.

Or, in this case, the other members of the squadron back in the Salad Bowl, the loaders, manglers, technicians, and all of the other support and logistics personnel that made a squadron work. Not to mention some six hundred scientists, technicians, and support personnel stationed at the Bowl.

“Yeah, and how are we supposed to do that, True?” Gallagher replied. Another antimatter warhead detonated in the distance, flooding the area with a harsh and deadly light. Surrender was not a matter of simply contacting the enemy . . . not when their electronic defenses were up to prevent attempts to hack into fighter control systems or AIs. “If the Bowl tells us to stand down, we stand down. Until then, we fight, damn it!”

There was no response . . . and Gallagher realized with a sudden cold impact that Truini’s fighter had vanished from the display with that last detonation. It was down to Gallagher and Joyce.

“Blue Two calling Fox One!” Joyce announced. “Missiles away!”

Gallagher programmed the shot and triggered it. “Fox One!”

“Their fighters are trying to cut us off!

“I see them.” He considered their options . . . which were few and not good. He considered ducking in Saturn’s rings and immediately discarded the idea. The thicker portions of the rings were too distant—­the outer reaches of the massive and brilliant B Ring orbited over 120,000 kilometers farther in from Enceladus, more than a third the distance between Earth and Luna.

But damn it, they needed cover.

Nuclear fireballs flared and blossomed in the distance. The enemy transport was still there . . . but it was no longer decelerating. Maybe they’d done some damage. Maybe . . .

Something about the data coming up on the alien transport didn’t add up. The ship was longer than a French Orcelle-­class transport—­nearly 700 meters—­and its power curve was closer to that of a battle cruiser than a troop ship. Gallagher called up a magnified image . . . and he stifled a sharp, bitter exclamation.

He didn’t know what that . . . that thing was, but it wasn’t a troop ship.

No time for analyses now. He would store the data and hope he lived to transmit it.

“Okay! Make a run for Enceladus, Karyl. Close pass . . . crater hop if you have to. We’ll see if we can lose ’em in the ice!”

“Right behind you, Frank.”

The problem with being so badly outnumbered was the openness out here, with enemy fighters and capital ships now moving in from all sides. If they could get down on the deck of Enceladus, half the encircling sky would be blocked, and the radar and laser signatures of the fighters themselves might be masked by the ice skimming beneath their keels.

“Enceladus Base, this is Blue Leader!” he called over the tactical channel. “We’re down to two fighters! I think we managed to ding their troop ship, but they’re trying to swarm us! What are your instructions?”

“Blue Flight, Enceladus Base. You’ve done what you can, Frank. Get the hell clear of battlespace. RTB when you can.”

“Copy.” RTB—­Return to base—­when they could, if they could. More Black Mambas were streaking toward them, now. If things had been bad before, they were worse now. The enemy fighters were furious at the attack on the Confederation capital ship. Gallagher launched several more sandcaster rounds, then put on a burst of raw, hard acceleration that sent him hurtling toward the fast-­swelling white disk of the moon. He was aware of the crater-­pocked surface growing swiftly larger, of the dazzle from a distance-­weakened sun glinting from the ice plains below . . . and then he was twisting around his drive singularity, fighting to shift his vector to one a little closer to parallel to the moon’s surface. Enceladus was so near now that its bulk blocked out the far vaster loom of giant Saturn.

Three enemy fighters were following him down. Where were the rest?

Where was Karyl?

He didn’t know. The three bandits on his six were closing fast, though. It looked like they were lining up for a gun attack rather than another volley of antimatter warheads. Maybe their missile rails had gone empty. Maybe . . . maybe . . .

A nuclear fireball blossomed to port, the detonation rapidly lost astern. They were popping nukes at him then . . . and one had just impacted the surface. He swerved to starboard, angling toward the tiny moon’s south polar region, still accelerating.

His fighter shuddered, and he heard the rapid-­fire banging of small high-­velocity pellets against his hull. He cut back on his speed . . . then cut back again as the shuddering increased in strength and decibel level.

A shimmering, hazy wall rose against the black of space from the horizon ahead.

Shit! In the excitement, Gallagher had forgotten about the moon’s south pole . . . and the tiger stripes.

Cassini, an early robotic probe exploring the Saturn system, had discovered the mysterious jets streaming out from the moon’s south polar region in 2005. The constant tug-­of war between Saturn and Enceladus created tidal heating and heavy tectonic activity, generating titanic cryovolcanoes erupting from four parallel fractures—­deep cracks in the icy crust popularly known as “tiger stripes” for their dark color. Geysers of water emerged at high pressures from the vents and froze almost instantly, creating plumes extending as far as 500 kilometers up and out into space.

Much of this ice drifted back to the surface of Enceladus as snow, carpeting the moon’s southern regions to create a brighter, whiter surface much younger than existed in the north. The rest drifted clear of the satellite and formed the broad, highly diffuse E ring of Saturn, a 2,000-­kilometer-­thick belt circling the planet all the way from the orbit of Mimas, an inner moon of the planet, out to Rhea.

Those cryovolcanic plumes had been the first evidence that Enceladus might harbor a liquid-­water ocean beneath the ice . . . and possibly life as well. Enceladus base had been established a century and a half earlier to search for that life—­a far more difficult task than on Jupiter’s Europa. While the subsurface ocean had a temperature close to 0˚ centigrade, the surface of the ice was a numbing 240 degrees colder, just 33 degrees above absolute zero. And unlike Europa, the internal ocean seemed to exist in pockets, limiting the areas where the xenobiology ­people could drill.

The effort had been worth it, however. Life had been discovered beneath the Enceladean ice . . . very, very strange life, life based on hydrogen-­germanium chemistry—­on organometallic semiconductors rather than on carbon chains.

Exactly how an ice ball like Enceladus had acquired enough germanium—­a relatively rare element on Earth—­to evolve life based on the stuff was a mystery; how it worked was a bigger mystery still. Simply identifying the flecks of organometallics exchanging photons with one another in the Enceladean oceans as being alive had taken the better part of a century . . . and a near-­total rewrite of the definition of the word life.

Enceladus Station, located in the permanent blizzard 100 kilometers from the terminus of one of the tiger stripes, was a xenobiological outpost maintained as a joint venture by Phoenix University of Arizona and the Universidade de Brasília. With Brazil siding with the Confederation against the North American rebels, there’d been some understandable political stresses at Enceladus. VF-­910 had been dispatched to the moon to keep the peace . . . and the scientific neutrality of the base.

Obviously, it hadn’t worked out as planned. The Confederation had dispatched a naval squadron to seize Enceladus and to isolate North America from the rest of Earth’s scientific community.

None of this was of particular interest to Gallagher at the moment, as he skimmed above the polar ice toward a misty wall, which, at his current velocity, would have nearly the same effect on his ship as a cliff of solid ice. He gave orders to his AI, nudging the fighter into a slightly different path. Those tiger stripes each were about 35 kilometers apart. It would be like threading a needle, but he might slip between the plumes if he could maintain a low-­enough altitude.

The Pan-­European fighters were still behind him, following him in.

Hurtling between two towering plumes that filled the sky with misty light, Gallagher flipped his fighter end for end again, hurtling tail-­first and head-­down, meters above the roiled and jaggedly broken icy surface. He had one Krait remaining. He rolled back to keel-­down, giving orders to his AI in brief, staccato bursts of thought.

“Fox One!”

His last Krait dropped from his keel, ignited, streaked aft . . . and detonated on the ice. The flare was blinding . . . and an instant later a fresh and violent plume of freezing water geysered into space above the hole he’d punched into the surface, directly in the path of the trailing enemy fighters.

Unfortunately, the expanding plasma shock wave from his missile caught the Starhawk and nudged it to one side, nudged it enough to send it skimming through the fringes of one of the other plumes. Gallagher felt a savage shock, saw pieces of his fighter ripping free . . .

. . . and then the jolt of deceleration slammed against him, sending him hurtling into blackness as he lost consciousness. . . .

Chapter Six

4 March 2425

Emergency Presidential Command Post

Toronto

United States of North America

1640 hours, EST

“The President of the Confederation Senate is on the link for you, Mr. President,” Marcus Whitney, the Chief of Staff, said. “The new President, I should say.”

President Koenig glanced at the others in the room—­Pamela Sharpe, the Secretary of State. Lawrence Vandenberg, the Secretary of Defense. Dr. Neil Eskow, the Secretary of Science. All maintained facial expressions of careful neutrality.

“You have the security issues worked out already, I presume?”

“Of course, sir.”

The security problem was far more difficult than merely one of virus control. A direct data link between Geneva and the emergency USNA capital in Toronto could easily serve as a conduit for a variety of electronic attacks—­viruses, worms, or brute-­force virtual assaults aimed at downloading confidential data or knocking out the American communications network. Powerful e-­security AIs would be monitoring the exchange on both sides of the Atlantic, making sure that only the video and sound being exchanged between the two government leaders would pass the firewalls.

There was also the question of e-­psych attacks, which would amount to a direct assassination attempt. Koenig and his Confederation counterpart carried sophisticated nanochelated circuitry inside their brains, cerebral implants that let them interface directly with computers, vehicle control systems, medical scans, the Global Net, and, of course, mind-­to-­mind communications links. It was possible to hack another person’s implants, either to steal data or—­more viciously—­to infiltrate personal RAM and distort the victim’s perception of reality. Such an attack could leave a victim hopelessly insane . . . or so distort his reality that he acted as though he were schizophrenic.

The virtual agents resident within implant hardware—­Koenig’s personal in-­head secretary, for instance—­were designed to screen out such attacks . . . if only to block unauthorized attempts at communication, or the transfer of electronic advertising. The ICEware carried by Koenig and other government leaders was several orders of magnitude more powerful and comprehensive than what was available to average citizens, and should be proof against any possible electronic attack.

There was always the chance that the other side had come up with something new, however. The electronic battleground was constantly evolving, constantly growing more complex, more subtle, and more dangerous.

The secretary of defense broke the uncomfortable silence first. “Sir,” Vandenberg said, “I really don’t think that taking this call is a good idea.”

“Why is that?”

“Simple. It’s likely to be a plot to get at you. They might have something new that our ICE can’t handle. Something dangerous.”

ICE, an old acronym for intrusion countermeasures electronics, was the catchall term for electronic software defenses, some of it artificially intelligent, some not.

“Konstantin says they do not,” Dr. Eskow said with a shrug. “And Konstantin should know. It monitors the Global Net closely, and would be aware of any such new developments.”

“I don’t see Konstantin running our antiviral software,” Vandenberg said.

“Of course not,” Koenig said. “The time lag from the moon and back is too long. God knows what could sneak through in three seconds.”

In fact, clones of Konstantin were already running on several USNA networks on Earth, though they were more closely circumscribed in operational procedures and restrictions than was the hyperintelligent AI on the moon’s far side. Most humans still didn’t fully trust AIs that were too intelligent . . . or too independent.

And Koenig didn’t fully trust any AI networks that might already have been compromised by Confederation hacks.

Still, there were times when you needed to take a chance. If you sat inside a sealed box doing nothing because someone out there might be trying to get you, you would never get anywhere.

“I’m going to take the call,” Koenig said, deciding. “I’m sick of working in the dark against these ­people. Maybe he’ll let something slip.”

“Stay behind your avatar, Mr. President,” Eskow said. “He’ll certainly be staying behind his.”

Avatar was the term given to a computer-­created simulation based on the real person. With a decent AI behind it, it could even mimic the organic personality so closely that ­people linking in on the Net could not tell whether they were talking to the person or to their electronic secretary. Avatars could be a convenience or they could be a kind of personality fashion statement. They also could be designed to create a certain psychological impact. What Eskow was suggesting was that Koenig remain electronically masked by his avatar in the conversation. If the Confederation did manage to slip a nasty worm through the link, it would hit the electronic presence first, and, with luck and some very fast electronic reactions, be stopped there.

But that would also mean that Koenig would be isolated from the discussion, experiencing it secondhand and with little opportunity to guide it. He shook his head.

“I’ll be careful, Doctor. But there’s no point in my being here if I’m going to let an electronic puppet do my talking for me.” He looked at his SecState. “Pam? What’s the global lineup right now? Has anything changed I should know about?”

“Nothing substantial has changed since this morning’s PICKL, Mr. President,” she said. The PICKL was the President’s Intelligence ChecK-­List, a data download prepared by the various USNA intelligence ser­vices for his review first thing each morning. “We have feelers out to Brasilia. They may pull out of the war over the Columbus atrocity, though they probably will stay with the Confederation. If they stay with the Confederation, Argentina may pull out. Those two are still at each other’s throats.”

“Russian Federation? North India?”

“They’re both solidly with us, now. But we’re not yet sure how much practical use those alliances might provide.”

“And Mexico?”

“Still solidly against us, sir. Confederation agents have been promising them the return of the old U.S. Southwest.”

“Aztlan,” Koenig said, frowning and nodding. “I know. Old news. Okay, let’s do this. Marcus?”

“The link is ready, sir. He’s waiting. Or his avatar is.”

“Right.” Koenig sank back in his chair, which responded to his thoughts, opening up, opening back, letting him lie back in a reclining position. He closed his eyes, and an inner window opened. A face formed out of static, and in Koenig’s mind’s eye, he was seated now in a large conference room, across an expensive mahogany table from President Chris­tian Denoix de Saint Marc.

He was surprised at first that he wasn’t sitting opposite General Janos Matonyi Korosi who, according to USNA Intelligence, was currently the real head of both Pan-­Europe and the Confederation. But Denoix’s presence was not, perhaps, all that surprising. The Confederation would be scrambling to put a legitimate face on their war—­and that meant a civilian leader, not a military one. Denoix might well be little more than a figurehead. It would be good to keep that in mind.