The field test happened at dawn.
Serika had cleared a zone — an abandoned freight corridor running three kilometers east of the industrial sector, wide enough for vehicle movement, bordered on both sides by derelict warehouse structures that had been evacuated and condemned after a Beta incursion eighteen months ago. No civilian presence. No active GDA patrol route. Enough open ground to push the vehicle through its full performance envelope without witnesses who would file reports.
They loaded in at five-forty AM in grey pre-dawn light.
Danto took the driver position without discussion — he had been thinking about it for thirty-four hours and everyone in the room understood that this particular conversation had already been decided. Kazuto took the command station behind him, the weapons mount in automated mode, the targeting system running its startup calibration sequence.
Serika and Lyra watched from a position on top of the nearest warehouse structure with a clear sightline down the full length of the freight corridor.
Danto ran his hands across the controls. Simple layout — Kazuto had designed the interface to be readable for someone with military vehicle experience rather than requiring specialized training. Throttle, directional input, altitude adjustment, emergency cut-off. The weapons mount had its own panel but in automated mode it required nothing from the crew.
"Ready," Danto said.
"Go," Kazuto said.
The lift array engaged. The vehicle rose — one meter, smooth, the same clean ascent as the production space test. Danto held it there for three seconds, getting the feel of the hover, making small inputs and watching the response.
Then he pushed the throttle.
The acceleration was not violent but it was not gentle either. The vehicle moved like something that had been waiting to move — forward, smooth, the lift array maintaining constant clearance as the ground surface changed beneath it. Cracked asphalt, a section of broken paving, a drainage channel that crossed the corridor at an angle — the vehicle crossed all of it without variation in ride quality because it was not touching any of it.
Danto brought it to sixty kilometers per hour in the first four hundred meters. Eighty in the next two hundred.
He held it at eighty for the length of the corridor, then pulled a turn at the far end — banking, controlled, the vehicle's lateral stability holding cleanly through the arc — and came back at full speed toward the start point.
Kazuto watched the sensor feeds, the weapons mount tracking, the power distribution telemetry. Everything within parameters. Nothing flagging.
Danto decelerated at the start point and brought the vehicle to a hover.
He sat there for a moment.
"Again," he said.
They ran the corridor six times.
On the fourth run Kazuto activated the weapons mount in live mode against a set of static target panels Serika had positioned along the corridor walls — standard ballistic panels, the same composite material from the Delta-7 preparation. The mount acquired targets automatically, engaged in sequence, and had cleared all six panels before they reached the corridor's midpoint.
On the sixth run Danto pushed the altitude ceiling — not dramatically, just enough to crest the warehouse roofline and give the vehicle a moment of open-sky operation before bringing it back down into the corridor.
He set it down at the start point after the sixth run and sat without moving for a moment.
Kazuto climbed out and waited.
Danto climbed out and stood beside the vehicle with his prosthetic hand resting on the frame, looking down the corridor at the demolished target panels.
"Three years ago," he said, "my unit was trying to hold the Zone C eastern perimeter with four tracked APCs and a railgun platform that broke down twice in the same engagement." He paused. "We lost nine people in four hours because the armor didn't move fast enough and the weapon systems couldn't penetrate the Beta units that flanked us from the northeast."
He looked at the vehicle.
"If we'd had this," he said. He didn't finish the sentence.
He didn't need to.
Serika called a planning session that afternoon.
Full team, briefing room, the operational map of northeast New Konoha on the display wall with Lyra's sensor network overlay showing the coverage grid and the last seventy-two hours of contact data.
"Reconnaissance contact in corridor seven, two nights ago," Lyra said. "Single unit, slow movement, consistent with route mapping. Last night, nothing. Tonight—" She paused. "Possibly nothing again, or possibly the end of their reconnaissance cycle."
"If they complete the cycle tonight, they move on the hub within forty-eight hours," Serika said.
"That's my read."
Serika looked at the map. "We can't hold the hub the way we held Delta-7. The hub is a larger installation, more approach vectors, and a successful strike there requires them to commit more units. We'd be facing a coordinated assault, not a three-unit infiltration."
"How many units?" Danto said.
"Based on the pattern scaling from previous strikes — the operational complexity of the hub target suggests a minimum of twelve Beta-class units, possibly more. Potentially a Gamma-class command element coordinating the assault."
Twelve minimum. Possibly a Gamma-class command.
The suppression platform had handled three units at Delta-7 in eight seconds. Twelve, spread across multiple approach vectors with a coordinating command element, was a different equation.
Kazuto had been running the numbers since Lyra's morning briefing.
He pulled up the system interface — not outwardly, just internally, running his eyes across the database panel and the Resource Point balance and the two newly readable blueprint designations that had been occupying his thinking since the previous evening.
"I need to tell you what unlocked," he said.
The room went quiet.
He described the first new blueprint — an upgraded suppression platform, significantly more capable than the Type-1 they had used at Delta-7. Larger coverage arc. Longer operational duration. Multi-target prioritization logic that could handle simultaneous contacts rather than sequencing through them. Two units of this, positioned correctly, changed the defensive equation at the hub substantially.
"Build time?" Serika said.
"Eighteen hours each. I can run them in parallel with the production space we have — the workstations are independent. Thirty-six hours total if I start now, less if the first unit's experience carries into the second."
"The second blueprint," she said.
He paused.
"The second blueprint is not defensive," he said.
He described it carefully — the same way he had described the vehicle platform to Harima, with full technical accuracy and without dramatization. Because the thing spoke for itself clearly enough.
The second new blueprint was an artillery system. Fixed-position, crew-served, magnetic acceleration scaled to a much larger projectile than anything he had built so far. Effective range: approximately four kilometers. Target tracking: integrated with the sensor network, allowing guided fire on moving contacts. Round yield: sufficient to neutralize a Gamma-class unit in two to three direct hits.
The room was quiet for a long time after he finished.
Danto said: "You're telling us you can build a cannon."
"A specific kind of cannon, yes."
"In how long?"
"Forty-eight hours. It's more complex than the suppression platforms. The barrel fabrication alone is twenty hours."
Danto looked at the map.
"If we have the cannon positioned to cover the hub's northern approach, the two upgraded suppression platforms covering the secondary vectors, and the vehicle for rapid response on anything that gets through—" He stopped. Ran the scenario again. "We don't just hold the hub. We dismantled whatever they send."
"That's the calculation," Kazuto said.
Serika looked at the timeline on the display wall. "Ninety-six hours of production. We may not have ninety-six hours."
"We start now and run concurrent builds. Suppression platforms on one workstation, artillery system components on the other. I sleep in the production space." He paused. "I need help with the component prep work — someone with maintenance qualification to handle the pre-assembly work on parts that don't require system guidance. That frees me for the precision stages."
Lyra raised her hand slightly. "I have the qualification."
"I know," Kazuto said. "I was going to ask."
They started at fourteen hundred hours.
The production space ran two workstations — Kazuto on the artillery barrel fabrication, which was the critical path item, and Lyra on the suppression platform component prep with his instructions for each piece and a reference document he had written out in the first hour covering the assembly sequence in sufficient detail for someone at her qualification level.
Lyra worked carefully. She asked questions — precise, technical questions that showed she was reading the reference document thoroughly rather than guessing — and she waited for answers before proceeding to the next step. She made no errors that he could identify.
At the six-hour mark, with the first suppression platform reaching the assembly stage where his direct involvement was required, Serika came in and told them that Harima had called.
"He's sending someone," she said.
Kazuto looked up from the barrel fabrication.
"Sending someone," he said.
"A fourth team member. His recommendation. He says PHANTOM's operational capacity is exceeding a four-person team's sustainable workload and he wants someone added before it becomes a problem." Serika paused. "His exact words were: before Ryuu builds something large enough that we need six people to operate it and we only have four."
"He's not wrong," Lyra said, not looking up from her component work.
"Who is it?" Kazuto said.
"Sora Takagi. Medical officer, Zone Asia-East field team, four years. Harima says she's the best field medic in the zone and has combat experience from the Western European Theater rotation." Serika paused again, with the slight hesitation of someone adding context they had been deciding whether to include. "She also has a secondary qualification in electronics maintenance from before she reclassified to medical. Harima thought it was relevant."
Kazuto thought about the production workload. The concurrent builds. The fact that he had been planning to sleep in the production space and had meant it literally.
"When?" he said.
"Tomorrow morning. She's traveling overnight."
"Tell her to bring work clothes," Lyra said.
Sora Takagi arrived at Facility B at seven-fifteen the following morning.
She was small — that was the first thing Kazuto registered, which he recognized as a useless observation but noted anyway. Small and precise in her movements, with the particular economy of motion of someone who worked in field conditions where excess movement cost something. Her medical kit was worn in a way that suggested it had been used regularly in environments where using it was not optional. Her face was calm in a way that was not the same as Serika's controlled stillness — Serika's calm was discipline, maintained against the pull of assessment and decision. Sora's calm was something more structural, like it was where she started rather than where she arrived.
She looked at the production space — the two workstations, the artillery components in various stages of assembly, the suppression platform frames, the vehicle parked against the wall — with the same comprehensive scanning attention that Kazuto had seen in every competent person he had encountered since arriving in this world.
Then she looked at him.
"You're Ryuu," she said.
"Yes."
"General Harima told me what you're doing here." She looked at the workstations. "He didn't fully convey the scale."
"It's growing," Kazuto said.
"He also said you haven't slept properly in approximately sixty hours."
"That's approximately accurate."
She set her kit down and rolled up her sleeves.
"Show me where I'm most useful," she said. "Then sleep. Four hours minimum. I'll watch the builds."
Kazuto looked at her.
"You just arrived," he said.
"I slept on the transport. Show me the component prep sequence." She looked at Lyra's reference document on the secondary workstation. "Is that the assembly guide?"
"First suppression platform," Lyra said from the other side of the room. "Second one is on the primary workstation. The artillery barrel is the critical path — that's Kazuto's direct work only, the tolerances require system guidance."
Sora read the reference document in three minutes with the focused speed of someone who read technical material regularly.
"I can do this," she said.
Kazuto looked at the progress state on both workstations. Looked at the artillery barrel — the first fifteen hours of fabrication done, the most precision-critical section coming up in approximately three hours, which meant he needed to be fully functional for that section.
He was not going to be fully functional without sleep.
"Four hours," he said.
"Four hours," Sora confirmed.
He lay down on the cot in the corner of the production space.
He was asleep in approximately four minutes.
When he woke up — four hours and eleven minutes later, because Sora had let the eleven minutes run before waking him, which he noted with appreciation — the second suppression platform's component prep was complete and the first platform was fully assembled and in final calibration.
He sat up and looked at it.
Sora was at the primary workstation, working through the artillery barrel's intermediate section with the reference notes he had left beside the components, handling the prep work that did not require system guidance with clean, accurate movements.
She looked up.
"The calibration on the first platform," she said. "Third targeting node from the left. The alignment was point-three degrees off from the reference spec. I corrected it." A pause. "I hope that was the right call."
Kazuto got up and checked the calibration readout.
Point-three degrees. She had corrected it to within point-zero-five of spec.
"That was the right call," he said.
She nodded and went back to the component work.
He stood there for a moment, looking at the production space — the two suppression platforms, one complete and calibrated, one in final assembly. The artillery barrel progressing. The vehicle in the corner. The sensor network feeding live data to Lyra's display.
Five people now. A vehicle. Two suppression platforms approaching completion. An artillery system forty hours from operational status.
Twelve days ago he had been a drone technician with a maintenance schedule and a borrowed life.
He picked up his tools and went back to the barrel fabrication.
Outside, the sensor network watched the northern corridors.
In corridor seven, at eleven-forty-three that morning, it logged a contact.
Then another.
Then four more.
Lyra's alert came through the comm at eleven-forty-five, her voice precise and completely level.
"Six contacts, corridor seven. Moving south. This is not reconnaissance."
Kazuto looked at the artillery barrel — thirty-eight hours from completion.
He looked at the two suppression platforms — one complete, one in final assembly.
He looked at the vehicle.
He looked at his team.
"Alright," he said. "Change of plan."
End of Chapter 10