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My thanks go out to David Weber, Walter John Williams, Marko Kloos, and James S. A. Corey (both of them) for showing me how mil-spec sci-fi should be done and lighting a fusion torch under my ass to do it.
PROLOGUE
Hovering in the dark silence, it waited, and watched. It had neither ears to hear, nor a mouth to speak, because there was nothing to hear, and nothing to say.
It waited, and watched. That’s what it was good at. Best at. Its endurance was measured in years, and its eyes could see everything from the infrared straight through to gamma rays. It never tired. It never grew bored or distracted. It could differentiate units of time down to picoseconds, or distances in parsecs. It was vigilance given form in metal and polymer.
And it wasn’t alone.
It was the thirteenth of fourteen identical siblings, down from fifteen when the deployment began. One sibling had been lost to a micrometeoroid impact that had been below its detection threshold until it was too close to maneuver against, but the rest continued to function optimally. They floated within a sphere more than three AU in radius, each tasked with monitoring their own sectors of that volume, as well as providing overlapping coverage for one another. Whisker lasers kept them connected to each other and with Mother across the yawning chasm of space. It took two thousand, eight hundred and eighty-seven seconds for its data stream to reach its furthest sibling, and the same time again for a reply to arrive.
Since arriving at its assigned station two thousand, one hundred and forty-seven hours ago, it had tracked, identified, and catalogued more than seventy-three thousand objects inside its sphere of responsibility, eighty-six percent of which had been cross-checked and independently verified by a minimum of two other siblings. From protoplanetary dust grains only a few millimeters across, all the way up to comets and asteroids many thousands of meters wide, it tracked them all, assigned them log numbers, projected their trajectories, and assessed the threat level they presented to Mother’s navigation.
But insofar as it could experience satisfaction, tagging specks of dirt and balls of ice did nothing to fill that requirement. It was a machine of war. Its sensors were meant for spotting and tracking missile plumes, warship emissions, and intercepting clandestine signals. Its adaptive camouflage and meta-material skin, identical to Mother’s, was designed to fool or absorb enemy scans that went poking around looking for it.
It was intended to find targets for Mother’s weapons, resolve firing solutions, guide missiles into armor belts, and warn Mother of incoming threat vectors. It was not built to chart billion-year-old planetary rubble. That sort of task was supposed to be left to astronomical survey drones. If it had lungs and air to breathe, it would’ve sighed.
An encroaching object set off its proximity alert, drawing its full attention. It reviewed the last six milliseconds of collision-avoidance radar data. The threat object was cylindrical, eleven-point-two millimeters across, moving at fifteen thousand meters per second on a direct intercept course. Projected impact in seven-tenths of a second. A full emergency chemical thruster burn would be necessary to avoid a collision. Blackout protocols stepped in to stop the burn, projecting such an action would mean an unacceptable risk of detection.
After a fraction of a millisecond’s consideration, it overrode the protocols. Six hydrazine thrusters on its ventral surface erupted at once, expelling rapidly dispersing clouds of scorching hot gasses that would light up like torches for any passive IR scanners within ten light-minutes in every direction. The thrusters pushed hard to overcome the inertial momentum of its seven metric tons of mass to move it out of the threat envelope.
They were very nearly successful.
Its chassis shuddered under the glancing blow, sending shrapnel, electrical surges, and jarring vibrations throughout its internal structures. Fuses snapped open to protect delicate electronic components from burning out as its gyroscopes barked instructions to the thruster array to calm its chaotic spin and maintain station-keeping.
The violent gyrations came to heel with only seventeen percent of its hydrazine stores left in reserve. It could still maneuver under ion thrusters, or warm up its fusion rocket plant, but neither was capable of the short-duration, multi-g acceleration of its chemical rockets necessary for collision avoidance.
Nor was that the end of the bad news.
Diagnostic reports streamed in from its peripherals. Six panels of adaptive camouflage were damaged. Two were still drawing power, but had been cut off from the data network. Two burst capacitors were off-line. The portside gamma ray detector was out of calibration. Structural frame members three, four, five, seven, and eight had been compromised. But most importantly, its primary omnidirectional whisker laser gimbal mount was frozen and unable to remain locked on its mother.
It had survived, but would need a major overhaul to return to optimum functionality. It began the procedure to bring its secondary whisker laser mount online so it could inform its siblings of the impact and its diminished capabilities. At the same time, it turned an eye toward inspecting the debris cloud left over from the impact. Something about the incident nagged at its logic and pattern-recognition software.
It knew exactly what it had lost in mass down to the gram, and knew the chemical makeup of its missing constituents. Armed with this information, it turned a spectrograph toward the expanding junk cloud and scanned the particulates. After accounting for all its own damage and removing it from the analysis, all that remained was approximately twenty-nine grams of an unknown tungsten alloy refined orders of magnitude beyond the purity of any naturally occurring meteorite.
A bullet.
Its proximity alert tripped again. Three more threat objects approached, arranged in a perfect triangle, tracking from an identical vector and velocity as the first.
It had been boxed in. Any evasive course it could have taken away from the first projectile had led it inexorably into the path of one of the other three, and with such a paltry volume of chemical propellant left to burn, it couldn’t escape a second time.
In that nanosecond, it knew what had happened to its lost sibling, and knew it was fated to fall to the same unseen enemy. It had failed to spot the intruder, but there might still be time to get word to Mother and its siblings. With the tenths of a second that remained, it warmed up its high-gain radio transmitter, overrode half a dozen communications blackout and security protocols, dumped all the data and telemetry it had collected in the last few seconds into an encrypted burst packet, and maxed out the transmitter’s power output. In a last, desperate act, it relit its emergency thrusters and burned what little reactant it had left.
It managed to broadcast two and a half
kilobytes of data before being obliterated.
* * *
“Hmm,” Ensign Mattu said from her drone stream aggregation station on the CCDF Ansari’s virtual bridge. “That’s weird.”
Officer-on-Deck Esposito’s avatar turned to face her wearing a quizzical look. “Define ‘weird,’ Scopes,” she said, using the fleet’s term of endearment for their sensor data interpreters.
“We just lost feed from a second recon drone, ma’am.”
“Which one?”
Sitting at the VR chair in her quarters, Mattu pulled up a relative-time situ-map of the 82 G Eridani system, their home for the last three months on this impossibly boring tour of duty. Mattu highlighted the nonresponsive unit and kicked the map showing the assigned positions of the ship’s web of Mk XXVI platforms over to the OoD.
“Platform Thirteen just went black.”
“Lucky Thirteen, huh? Is that one of the birds NorKel serviced? They’ve been having integration problems ever since we pulled out of Proxima. Useless Nork contractors.”
Mattu smirked. The competency of civilian technicians hired and trained by the NorKel Corporation was of no small controversy among fleet personnel, but a quick search of Thirteen’s maintenance records disproved everyone’s favorite scapegoat as a possible culprit. “No, ma’am. Last maintenance overhaul was done right here by our own deck monkeys on the return leg from the Tau Ceti deployment. And it gets stranger.” Esposito’s avatar held out an upturned hand in the VR environment of the bridge in a “Go on” gesture. “Well, Thirteen sent out a burst transmission just before it went off-line, on high-gain radio, not whisker laser.”
“What did it say?”
“It’s only a partial burst. The packet is tiny, not even a megabyte. We only got random shreds of the total file it was trying to send.”
“Error codes? Letting us know what broke?”
“I thought so, too, at first. But if it was just error codes, why did it break radio silence protocols to send it over high-gain instead of the laser? I’ve never seen one of them make that call before. And there’s more…”
“Well? Don’t make me drag it out of you, Petty Officer.”
“I just turned an eye over to Thirteen’s last reported position. There’s a cluster of IR contacts, lots of them cooling off quickly, but none of them big enough to be an entire Mk XXVI.”
“You think that’s what’s left of Thirteen?”
“Probably.”
“Didn’t Eight go out like that, too?”
“Yes’m, three weeks ago. We put it down to a micrometeoroid hit. It’s been known to happen.”
Esposito’s eyes narrowed. “But to two platforms in less than a month?”
Mattu shook her head. “I wouldn’t bet a cup of square dog on that being a natural rate of occurrence, ma’am,” referencing the ship’s coffee supply, which came in square containers and tasted like dog shit.
“That is weird. I want you to pull archive data from the rest of the recon constellation, see if any of them had an eye turned toward their sibling in the final moments.”
“Pull archives from the constellation eye, ma’am. What are you going to do?”
“Wake up the XO and pass the buck to him, God help me.”
ONE
Captain Susan Kamala woke up in stages. After her first drill-filled training deployment in the Combined Corporate Defense Fleet as a lowly E2 banger’s mate, she’d picked up the trick of waking up in the span between resting heartbeats. Twenty-four years later, after going mustang to become an officer and eventually captain, she’d mastered the art of recognizing when that trick wasn’t necessary.
Instead of a blaring klaxon portending some unfolding calamity, the noise that had roused her from a rather pleasant dream about swimming in the Melville Ocean on Osiris was a gentle repetition of the door chime to her quarters.
Susan waved a dangling arm over the side of her bunk to trip the ceiling lights, which came to life and cast their harsh, bluish-white glow. They said the output gave the ideal balance of energy conservation while still delivering the wavelengths necessary to synthesize vitamin D, but nothing beat the sensation of soaking up real sunlight, melanoma be damned.
She unbuckled the straps over her chest and thighs that would hold her to the bunk in the event of gravity loss. She’d been lax about it as a younger officer, as were many other crewmen who’d entered the service after artificial gravity had been perfected. But her first CO came from the old school. He’d run a surprise drill in the middle of third shift where he ordered the gravity cut while a third of the crew dozed, then flipped it back on again. Susan had gotten a concussion, a reprimand, and a newfound appreciation for the importance of anchoring straps. She’d even run the drill herself once attaining command of her own boat, and broke an ensign’s arm.
Susan swung her feet out into space and hopped down from her bunk. “Who is it?” she called to the hatch.
“Azevedo, mum,” her Brazilian XO answered.
“Miguel, you do know it’s…” Susan glanced at the chrono in her augmented reality retinal display. “… 0350, right?”
“Yes, mum. It’s important.”
Susan sighed. “Isn’t it always? Just a minute. Unless you insist on seeing your captain in her undies?”
“Not if you paid me a bonus, mum.”
“I’m not actually sure how to take that, Miguel.”
“Anytime there’s a question, default to respect, mum.”
Susan smiled. “You’re a smart kid; I’ll just be a moment.” She moved from the bed to her closet, which took all of two and a half steps. Compared to any other ship’s quarters she’d ever occupied, the captain’s suite aboard Ansari was palatial. But compared to any dirtside apartment she’d ever rented, it didn’t even rank as a studio.
But it was hers alone: she had a bathroom with a door, a genuine water shower, and a kitchenette with the only supply of genuine Darjeeling tea to be found within four light-years of their current position. A gift from Miguel, as it happened.
And a steward for my laundry. She smiled as she pulled an immaculately cleaned and pressed duty uniform off the rack. She fell into the clothes from muscle memory alone, then went to the vanity in her bathroom to straighten her hair. It was longer now than strictly permitted by regulations, but seeing as she was the ranking officer for at least two parsecs in any direction, there really wasn’t anyone to call her on it until the tour was over. Besides, Susan felt she’d earned the silver in her hair just as much as she’d earned the gold on her shoulder patches, and displayed both with equal pride. She donned the gold beret top cover with black trim of a warship commander in the commission of the Combined Corporate Defense Fleet, gave it the five-degree tilt to the left she fancied would draw attention to her good side, then touched her forehead and chest in offering to the two small statues of Durga and Shiva in the cubby above her bed she’d long set aside as a shrine. They were hollow porcelain instead of traditional solid marble, owing to personal mass allotment aboard a warship, but Susan assumed the Gods understood the sacrifices of military service.
Susan took the three steps to the hatch, spun the wheel until the toothed bolts hit the end of their tracks, then pulled the handle toward her. Her XO stood across the threshold, waiting patiently.
“Commander,” she said playfully. “What brings you to my door at this hour?”
“We lost another recon drone, mum.”
“Another?” Her mind recoiled at the thought. “A second meteoroid strike?”
“Scopes doesn’t think so, mum.”
“We’re going to the CIC,” she said firmly. “Warm it up.”
“Yes, mum.”
“And call everyone out of those stupid VR chairs. We have real work to do.” Susan pushed past him across the hallway and called the lift. The captain’s quarters sat deep inside the Ansari’s forward hull, safely behind many meters of armor, structural material, and other compartments, and directly adjacent to the main elevat
ors to give her ready and rapid access to the rest of the ship. The Command Information Center was only two decks above, but the elevator was still the quickest way to get there.
The decks, all thirty-five of them in the forward hull, were stacked vertically along the ship’s keel like the floors of a skyscraper turned on its side, instead of layered horizontally like the decks of an oceangoing vessel.
The Ansari was a class ship, the first and namesake of the CCDF’s new generation of long-endurance, system-defense cruisers, and Susan was a plank-owner. Not as captain, but as a greenhorn ensign on her first assignment as a commissioned officer after her snotty cruise aboard the fast frigate Halcyon. The Ansari was seventeen years old now, and the paint had worn off her sharper edges, but the edges themselves hadn’t been rounded down yet, and she was fresh out of the first of three planned midlife refits. It had been during that stretch in drydock that Susan had been reunited with her old ship.
The elevator stopped and slid open onto deck twelve and the home of the CIC, possibly the only spot on the ship buried underneath more armor and composite than the captain’s quarters. Save for the antimatter confinement tanks, of course. One of the ship’s marines stood watch just outside the main hatch to the CIC, polished, resolute, and bright blue in the face.
Susan buried a smile as she approached the young man. “Private Culligan, have you been holding your breath?”
His shoulders squared to parade-ground attention. “No, mum.”
“Then why is your face blue?”
“Someone put microfracture test dye in my shampoo, mum.”
“As revenge for?”
He began to blush, turning his cheeks purple. “I’m sure I wouldn’t know, mum.”
“Mmhmm. I hope it’s not a permanent lesson?”
“Doc says a week for the skin to grow out.”
“I see. Permission to enter the CIC?”
In the Black Page 1