Chapter 2 — Before Pyongyang

  The Ming artillery spoke before dawn.

  It spoke in the voice of twelve li cannon firing in sequence — not the scattered, flinching rhythm of a battery finding its range, but the measured cadence of a battery that had found its range two hours ago and was now simply doing what batteries do when given time and adequate powder and a target that cannot move. The sound was not quite an explosion. It was larger than that and more patient — more like the earth deciding to clear its throat and doing so repeatedly, at intervals of forty seconds, with the specific indifference of geology.

  Wei Zhongxian stood on the command hill north of the Taedong River and watched the fire arcs descend into Pyongyang.

  In the pre-dawn darkness each shell made a visible transit — a streak of orange-white, rising at the apex, then falling with the slightly steeper angle of a thing obeying gravity and no longer concerned with where it had been. The shells bloomed when they struck. Orange first, then white at the center, then the grey-brown cloud of pulverized stone and mortar that drifted south on the night wind.

  Stone shattered. Timber cracked and caught. Somewhere inside Pyongyang — a city of thousands of remaining civilian souls and eighteen thousand Japanese garrison troops — men were dying without ever seeing what killed them.

  Good, Wei thought. That is how artillery should work.

  "Third battery — adjust elevation," Gao called from beside him. His voice was level, professional, the voice of a man reading numbers off a chart. "You're throwing long by twenty yards."

  The signal flag went up from the hill's edge — green square, held angled, the specific motion Gao and the battery commanders had agreed on for the artillery relay. Below the hill, three hundred meters distant, a flag acknowledgment came back. Then the next volley landed twenty yards closer, the bloom rising from the base of the northeast wall section rather than from behind it.

  Wei watched the wall.

  It was holding. It would not hold indefinitely — no wall held indefinitely against this sustained a weight of fire — but the northeast section was built on solid foundations, and foundations took time to fail. He had estimated three days of sustained bombardment before the wall became structurally compromised. He was now in hour six. He revised the estimate upward to four days. He revised the assault plan accordingly.

  "Report on the river crossing," he said.

  "Four rafts prepared and staged at the north bank," Captain Chen answered from his left. "Sappers sounded the ford at the northern bend — knee-deep at low water, but we've had rain. It will run thigh-deep in the main channel." Chen paused. "Passable for infantry if they're moving fast and keeping their footing."

  "How wide is the main channel?"

  "Thirty meters at the ford. The current is manageable in the shallows. Less manageable in the center." Chen cleared his throat. "A man who stumbles in the center will be carried downstream."

  "Then no one stumbles." Wei held the eyeglass up again and studied the southern bank. Even at this distance, in this light, he could make out the defensive preparations: the timber barriers at the waterline, the dark shapes of men in prepared positions on the elevated bank. "The Japanese know about the ford."

  "Yes."

  "They'll have arquebusiers positioned there." Wei lowered the glass. The grey line to the east was organizing itself into the first suggestions of dawn — not light yet, but the promise of it, the sky beginning to remember what light was. "How many can they put in prepared position on that bank?"

  Gao was already calculating. "The bank is narrow — fifty meters of clear shooting ground before the ground rises steeply behind. Two hundred shooters at most. Three rotating lines of sixty to sixty-five each."

  Wei did the arithmetic in his head. Two hundred arquebuses in rotating lines meant continuous fire — one line firing while two lines reloaded. Forty to fifty discharges per minute. Against men waist-deep in a thirty-meter ford, moving at walking pace because the current would not allow running, with no cover and nowhere to go but forward into the fire.

  The calculation produced a number that was not acceptable.

  "We need the south bank suppressed before we cross," Wei said. "Not after. Before the first man goes into that water."

  "The artillery can shift to the bank positions," Gao offered. "But it means reducing the wall bombardment for the duration."

  "If we shift the artillery and the crossing fails, we lose the initiative and gain nothing. If we do not shift the artillery, we cross against two hundred prepared guns." Wei turned his attention right, toward the east, where the river bent in a slow curve and widened over a gravel bar. "We need a diversion."

  "Cavalry."

  It was Fang Wenbo who said it — the youngest captain, standing slightly behind the others, which was his habit at command conferences. Not from deference, Wei had long since decided, but from the specific spatial habit of someone who liked to see all of the other participants before he spoke.

  Wei turned. "Where."

  Fang produced a sketch from his coat — a piece of good paper covered in brushstrokes that in the firelight resolved into a readable terrain map. He had clearly drawn it in the last two hours, probably by lamplight while everyone else was sleeping. The river bend, the gravel bar, the approach from the north — rendered quickly but accurately.

  "Two li east," Fang said, holding the sketch at a reading angle. "The river bends and widens over this bar. Shallow enough for horses. If we send cavalry there at first light — sixty riders, full armor, banners and horns — the Japanese defenders on the south bank will see a mounted force threatening their eastern flank."

  "They pull arquebusiers east," Wei said.

  "Enough to reduce the ford coverage. Not eliminate it — they won't strip the ford completely, they're not stupid — but reduce it to perhaps a hundred guns. With artillery suppression on the bank and a hundred guns instead of two hundred, the crossing becomes viable."

  Wei held his gaze for a moment. The young captain did not look away. He had done the arithmetic and he knew what it cost.

  "The cavalry takes casualties," Wei said.

  "Yes, Commander. I've accounted for it."

  Wei studied the sketch. The eastern bend was real — he had walked the terrain himself two days ago — and the approach from the north was as Fang had drawn it. It was a good plan. It was the only plan that made the crossing viable without a full day of artillery preparation that would cost them the element of tactical surprise.

  He looked at Zhao Liwei, who had been standing in his characteristic stillness at the edge of the group.

  "Zhao."

  The senior captain of the reserve company raised his eyes from the ground he'd been studying.

  "Take your mounted element. Sixty riders. Full armor — no light cavalry, no skirmishers. I want armor and banners and I want the Japanese to see the banners clearly. Three horns from the reserve company — the distinctive ones, so they carry over the artillery noise." Wei paused. "Demonstrate at the eastern bend at first light. Make noise. Draw fire. Be visible. And then—"

  "Hold at the bank and do not cross," Zhao said, without inflection. He had been in enough briefings to know where orders with 'demonstrate' and 'draw fire' ended.

  "You are not to cross. You are not to engage the main garrison. You demonstrate until you have drawn sufficient attention east, and then you hold position and wait for my signal from the ford." Wei met his eyes. "Signal one — white diagonal — means the ford is secure and you withdraw to the north bank. Signal four — yellow horizontal — means the ford has failed and you withdraw immediately."

  "And if they send cavalry after me?"

  "Then you ride north and they follow you away from the ford. I want you mobile, Zhao. Keep sixty meters between your rearguard and any pursuers — close enough to look like you're fleeing in earnest, far enough that they can't engage."

  Zhao absorbed this. "Sixty riders will not outrun a full cavalry pursuit in this ground, Commander."

  "No. But they will not be pursued in force. The Japanese cavalry at Pyongyang is under orders to defend the perimeter, not pursue beyond it. They will chase you to the ridgeline and then pull back." Wei said it with the confidence of a man who had spent three days studying enemy behavior patterns through the Korean vedettes' reports. "If I am wrong about that, the signal flag for emergency withdrawal is signal five. You know what to do."

  Zhao was quiet for two seconds. "Yes, Commander."

  "First and Second Company lead the ford crossing when the demonstration begins," Wei continued, turning to Chen and Liu Sheng. "Column of fours in the water — no point maintaining battle line in the current, it slows us and widens the target. You cross as fast as the footing allows. When you reach the south bank, two beats on the drum: reform. Shield wall first, then advance by rank to clear the bank positions."

  "The Japanese will be rotating their firing lines," Liu Sheng said. He said it the way a man states a fact he has already integrated into his planning.

  "Yes. One rank fires, one rank reloads, one rank advances. The moment you see a firing rank step back — that is the three-second window before the next rank steps up. That is your moment to close distance. Close it." Wei looked at both company commanders in turn. "Do not stop moving in that water. A man standing still at the ford is a target. A man moving is harder to kill."

  "Rope lines?" Chen asked.

  Wei nodded. "Sappers rig two rope lines across the ford before we cross. One at the upstream edge, one at the downstream edge. Men who lose footing grab the rope. The ropes are anchored on stakes driven into the north bank — tested tonight before we sleep."

  "I'll have it done by midnight," Gao said.

  "Good." Wei looked around at his commanders in the pre-dawn dark, their faces underlit by the orange flashes of the artillery continuing its work. "Third and Fourth Company follow as second wave once the bridgehead is established. My command element in the center, second wave. Reserve Company crosses after the south bank is secure." He paused. "Questions."

  It was not phrased as an invitation. It was phrased as permission, briefly granted.

  "Drums," Gao said.

  "Three beats: advance to water. Five beats: cross. Two beats: reform on south bank. One continuous roll: push forward through the bank positions. No deviating from the code. If you hear something you don't recognize, hold position and wait for the flag."

  "Flags at what range?"

  "Two hundred meters in good light. Anything beyond that, rely on the drum." Wei turned back to the river. The line in the east had graduated from suggestion to declaration — dawn was twenty minutes away. "Get to your positions. Zhao, you have fifteen minutes before first light."

  The commanders dispersed. Boots crunched on frozen ground. Somewhere below the hill, horses stamped and blew.

  Wei stood alone on the hill for a moment.

  He thought through the failure modes. He did this before every engagement — not to be consumed by them but to empty them, to look at each one directly so none of them could ambush him at the wrong moment.

  *If the diversion fails: two hundred guns at the ford crossing. Unacceptable casualties. Abort.*

  *If the artillery shift fails and the bank is not suppressed: one hundred guns plus. High casualties. Manageable if men move fast.*

  *If the rope lines fail and men are swept downstream: the second wave closes the gap.*

  He moved through the scenarios and none of them produced a situation where the entire crossing failed, as long as the diversion created at least a partial redeployment of the south bank arquebusiers. Even sixty guns instead of two hundred was a crossing he could execute with the losses he could afford to take.

  He stopped thinking about failure because dawn was coming and there was no more time for it.

  ---

  *POV: Zhao Liwei — fifteen minutes before the demonstration*

  Zhao rode to the assembly point by instinct, in the dark, without a lamp. He knew the ground — he had ridden it yesterday in good light, methodically, the way he prepared every position he would need to function in under pressure.

  Sixty riders. His mounted element, drawn from the reserve company's cavalry wing: heavy cavalry, men in full lamellar plate with banner lances. They assembled in silence in the treeline east of the main ford — no voices, no steel on steel, the kind of quiet that sixty disciplined men could make when they understood what the quiet was for.

  He rode the line slowly and looked at his men in the last darkness before dawn.

  Every man wore his armor correctly — he could see the fit by silhouette. Every banner was unfurled and held vertical: the yellow crane banner of the Iron Crane Battalion, six of them, large enough to read at four hundred meters. The six horn-bearers — men selected specifically for the volume and carry of their instruments — held their horns at the ready.

  "You know what this is," Zhao said. He kept his voice low. The words traveled only to his sixty men and no further. "This is noise. This is theater. We ride out, we make ourselves impossible to ignore, we draw their attention, and we hold." He paused. "Do not cross that river. Do not close within arquebus range of the south bank. You are bait, not a sacrifice. There is a difference."

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  The riders were still.

  "When I give the recall, we pull back as a unit. Not by twos, not by individual judgment — as a unit. Rearguard holds thirty seconds, then collapses back on the main body. We have done this before and we will do it cleanly." He looked down the line. "Any man who breaks early is answering to me personally."

  Nobody answered. Nobody needed to.

  Zhao turned his horse to face the lightening east.

  *Almost.*

  He watched the sky and waited for the specific shade of grey that meant light enough to be seen from four hundred meters. It came by degrees — the hills acquiring definition first, then the river line, then the flat plain between the treeline and the water.

  He raised his hand.

  The horn-bearers raised their instruments.

  His hand dropped.

  ---

  The demonstration began exactly at first light.

  Sixty riders burst from the treeline in a thunder of hooves and immediately spread — not the tight formation of a cavalry charge but the deliberate chaos of a force making itself as visible as possible, banners streaming on lances held high, six horns shrieking in dissonant unison across the flat ground toward the river. The sound hit the Korean morning like a physical force. The yellow crane banners caught the first pale light, brilliant against the dark treeline behind, impossible to miss.

  Zhao drove his horse hard toward the river's edge and pulled up short of arquebus range, and the riders milled behind him in practiced disorder — wheeling, stamping, banners waving, the horses blowing hard from the sprint, steam rising from their withers into the cold air. From two hundred meters the formation looked like sixty men struggling to control the horses they were riding. It was not. Every horse was precisely where its rider wanted it.

  The Japanese response was immediate.

  The crack of arquebuses from across the river — not the solid volley-line fire of the ford defenders, but the scattered rapid fire of men surprised and reorienting. From his position east of the main ford, Zhao could see movement on the south bank even at this distance: the shifting of figures in armor, the reorientation of a defensive line toward the new threat. He counted the movement. Fifty men moving east. Then thirty more.

  He looked south across the water. The Japanese were disciplined — they left a rearguard at the ford. He could see the reduced line, perhaps ninety guns remaining, but the mass of the original two hundred had turned toward him.

  He raised his right fist — the internal signal that meant *hold position* — and the milling slowed to a controlled restlessness.

  Hold.

  He heard the drums from the north bank, carried across the water on the still morning air.

  Three beats.

  Five beats.

  *They're going in.*

  ---

  Wei heard the horns split the morning and started moving.

  The artillery had already shifted — the eight short-barrel guns on the hill's lower slope rotating their angle to put suppressing fire onto the south bank positions rather than the wall. The shells were different: smaller charge, lower arc, intended to detonate on the bank embankment itself and scatter stone and metal across the defenders' prepared positions. Not a killing fire — the bank was too wide and the defenders too dispersed for that — but a suppressing fire. Men under artillery fire pointed their weapons at the sky or at the ground and did not point them at the ford.

  "Three beats," Wei said to Liang.

  The big drum spoke three times, the sound rolling down the hill and across the flat ground to the water.

  From the north bank, invisible in the pre-dawn murk until they moved, First and Second Company emerged from the treeline at a controlled walk and converged on the ford.

  "Five beats."

  Five strikes, measured, the drum voice even and patient.

  The first men went into the river.

  Wei heard it before he saw it — the collective sharp intake of breath from two hundred men hitting cold water simultaneously, a sound like a wave breaking backward. Then the sounds resolved into individual voices: short profanity, the hard grunt of men driving themselves forward through resistance, the splashing that two hundred men in armor made when moving through knee-deep water with speed.

  He descended from the hill at a run, his command element following. Han Rui kept pace at his shoulder — the young adjutant who had replaced Wei's previous aide four months ago, a Hebei man, quick and quiet and absolutely reliable in the way that some young officers were reliable before they had encountered whatever it was that broke that quality in others. Wei had not yet discovered what would break it in Han Rui. He hoped not to.

  By the time Wei reached the ford, First Company's lead elements were midstream.

  He saw the ford immediately as what it was: manageable in the shallows, dangerous in the center. The current pressed hard from the left — the autumn rain-weight of the river asserting itself. Men leaned into it. One man near the upstream rope went knee-to-groin into the center channel and grabbed the rope with both hands, weapons slung across his back, pulled himself forward hand over hand through the deepest section. Three others followed his lead without being told.

  Good. Men who improvise without breaking formation are the right kind of men.

  The south bank arquebusiers were firing.

  Reduced — maybe ninety guns, as Zhao's demonstration had pulled the majority east — but firing in organized rotation, the disciplined three-line system. The cracks came at irregular intervals, not the massed volley of men firing together but the overlapping staccato of men firing in sequence. Balls struck the water around the crossing men — Wei saw the spouts, close, some very close — and struck the north bank behind him and buried themselves in the mud of the near shore.

  Ming artillery replied from the hill. The suppressing shells from the short-barrel guns thumped into the south bank with heavy, bass percussion, throwing up gouts of earth and stone. He saw two Japanese defenders thrown sideways. He saw the rotation of the line hesitate, the third rank losing its dressing as the men around them went down and were replaced.

  Keep hitting, he thought at the gun crews. Do not stop.

  "Push! Push! Move!"

  Captain Chen was already in the water, thigh-deep, ahead of his standard-bearer, shouting the march over the noise. The shout took up and traveled — push push move — from man to man down the crossing line, not identical to Chen's voice but the same words, passed like a torch until it became the ford's own rhythm, overriding the current's attempt to slow them.

  Wei went into the water.

  The cold hit immediately and completely, the specific cold of an autumn river that had no interest in human comfort or military operations. It wrapped his legs from ankle to hip in something between numbness and pain. His armor added twenty jin to the push required with each step. He set his teeth and walked forward, and beside him Han Rui did the same, jaw set, eyes locked on the south bank.

  He had crossed rivers under fire before. The trick was the same every time: the crossing was finite. The south bank was getting closer. The only thing that lengthened the crossing was slowing down.

  "Two hundred meters to the bank," Han Rui said, without being asked. He had an instinct for the information Wei needed.

  "One fifty," Wei corrected. He was counting by the rope-stake intervals the sappers had driven into the riverbed. "Keep moving."

  The south bank appeared through the spray.

  First Company's lead elements dragged themselves onto the muddy shore with the specific violence of men who have been trying to reach something and have finally reached it. They came out of the water in a crouch and did not stop — hands went to the shields strapped across their backs, locking the broad rectangular panels to their arms in a motion that Wei had watched a hundred times in drill and that never looked as fast in drill as it did in this moment when the movement was a condition of survival.

  "Shield wall!" Chen bellowed, his voice cracking with the effort of carrying it over the arquebus fire. "Lock up! Lock up!"

  The shields came together edge-to-edge with the sound of heavy wood slamming into heavy wood. The wall that formed was not perfect — one man fumbled the lock on his left-side bracket and had to be dressed by the man beside him — but it was a wall, a continuous surface of wood and iron facing the south bank arquebusiers, and when the next volley came in it hit wood and the wood sang.

  Wei heard the impact from the water — a drumming sound, multiple balls hitting the shields simultaneously, the irregular percussion of a volley not quite in rotation. One man went down behind the wall — a ball had found a gap at the shoulder joint of the shield to his right. He fell without a sound. The man to his left stepped sideways to close the gap and the wall continued.

  Chen's voice: "Advance by rank! Push!"

  The shield wall walked forward.

  Behind it, Second Company's pikemen emerged from the ford with their weapons horizontal, the long shafts dripping river water and leveled at the bank above the shield wall's upper edge. The Japanese arquebusiers on the bank were backing up now — they had prepared a static defensive position, fixed stakes and head-cover and prepared firing lanes, and the advancing wall was denying them the distance they needed to reload without being reached.

  An arquebusier cannot win a close engagement. His weapon fires once and then becomes a club, and a pike is a better club.

  The Japanese rotated once more — a disciplined final volley at forty meters — and then the rotation became a withdrawal. Not a rout. These were organized men, withdrawing in sequence, each rank covering the one behind it as it disengaged. Wei marked the quality of it. They would not give him the advantage of panic.

  But the bank was clear.

  Wei came out of the river soaking to the chest and did not pause. He pressed through the gaps between the first shield wall and the second rank of pikemen, moving forward into the beachhead that First Company had established.

  "Second Company — right flank! Extend the line! Chen, push center toward the prepared positions!"

  Liu Sheng's arquebusiers came out of the river at a run, already shifting right, already sorting themselves into the two-rank volley formation that was their default deployment. They had wet powder — every man's first shot was compromised, the priming pan affected by the crossing — and Liu Sheng knew it.

  "Bayonets for first contact!" he called down his company's line. "Dry out your pans before you fire! We are not wasting a volley on wet primer!"

  Good, Wei thought.

  The Japanese position on the south bank collapsed in three minutes — not under one decisive action but under the accumulated pressure of the shield wall's advance and the pike line behind it and the river continuing to deliver Ming soldiers onto the bank at a rate faster than the reduced arquebus force could slow. The defenders withdrew in covered bounds, one rank at a time, maintaining their discipline, their faces turned back toward the advancing Ming line.

  Wei catalogued their retreat direction: south and west, back toward the city walls. They were not breaking; they were withdrawing to prepared positions. He had expected nothing else. These were Konishi Yukinaga's men, the garrison that had held Pyongyang through the winter, and they had the specific quality of soldiers who had learned not to panic because panic had been trained out of them.

  "Drums," Wei said to Liang.

  Two beats.

  *Reform.*

  The battalion shook itself out of the disordered energy of the crossing and the bank assault. Men found their companies, their squads, their positions in the line, guided by the officers who were already dressing the formation, correcting gaps, calling company numbers. The sound of it was the particular organized chaos of a military body re-sorting itself — loud, purposeful, and exactly as fast as the drill that had made it possible.

  Wei stood on the south bank of the Taedong River, soaking to the chest, in a country that was not his own, watching his men become a formation again, and felt the specific thing — not pride, not satisfaction, something more functional than either — that came from watching a difficult thing executed correctly.

  "Third and Fourth Company across," he said. "Gao, I want the artillery line advanced to the south bank within the hour. Move the guns up."

  "Yes, Commander."

  "And find out what happened to the rope-line on the upstream stake. I saw it go slack during the crossing."

  "The stake shifted in the riverbed," Han Rui said from beside him. "I saw it. A man went down but caught the downstream rope. No one was swept."

  "The stakes need to be driven deeper next time. Have the sappers note it."

  "Already noting it," Gao said.

  Wei raised his voice so it carried to the nearest ranks of formed infantry.

  "Third Company, Fourth Company — south bank holding position. First and Second Company, form on me." He turned to face the city, which was now visible from the south bank without the eyeglass — the walls, the smoke from continued artillery impact rising above them, the northeast section visibly changed from where he'd watched it six hours ago. Something in the wall's profile had shifted. Not a collapse — not yet — but a settling. "Pyongyang is in front of us. We are going to take it back."

  The drums answered: one long roll, rising.

  ---

  *POV: An arquebusier — the south bank, during the crossing*

  His name was Shen Kuo. He was twenty-two years old and he had been an arquebusier for three years and he was at the ford because it was where the crossing was happening and the crossing was where he was supposed to be.

  He was in the water to his waist — the cold had stopped being a sensation and was now simply a condition, like the weight of his armor or the height of the sky — and he was keeping his powder dry. This was the only thing in the world that mattered. Everything else — the sound of the arquebus fire from the south bank, the splashing of the men around him, the drum beats he was counting unconsciously — everything was secondary to the powder.

  He had wrapped it in oilskin before the crossing, and then wrapped the oilskin in an additional cloth, and then sealed the outer cloth with rendered tallow from the evening fire, a technique the veteran who trained him had insisted on with the specific fervor of a man whose advice had once not been taken with fatal consequences. The powder was dry. He was going to keep it dry.

  He grabbed the downstream rope at the deep center channel and hand-hauled himself across the worst three meters. The river tried to take him sideways. He pulled the rope and moved forward.

  When his feet hit the shallowing gravel on the south bank side of the channel, he let go of the rope and waded the last twenty meters at a forward lean.

  The bank. He came out of the water and the shield wall was already forming to his right, and someone was shouting at him to dress right, and he dressed right, and then he checked his powder.

  Dry.

  He checked it again to be certain.

  Still dry.

  Later, he would not be able to explain why this was the thing he remembered most clearly from the crossing of the Taedong River — not the arquebus fire or the cold or the man who went down beside him — but the particular relief of unwrapping the oilskin in the chaos of the south bank and finding the powder exactly as he had left it.

  ---

  The crossing had cost twenty-three men: eleven dead in the water and on the south bank approach, twelve wounded badly enough to be carried back across the ford by the reserve elements. The ford rope had held except for the upstream stake, and no one had drowned — the downstream rope had caught three men who lost their footing, including one who had gone completely under and came up five meters downstream coughing river water and still holding his weapon.

  Wei held the debrief that evening in the forward command post — a captured Japanese supply building on the south bank of the ford — with all five company commanders and Gao and Han Rui arranged around the map table.

  "Rope lines," Wei said. "Sappers drive the stakes deeper. Test the stakes under load before the crossing, not after." He looked at Chen. "First Company's shield wall — two-second hesitation on the bank. Your left-side man fumbled his bracket lock."

  "I saw it," Chen said. "It won't happen again."

  "It needs to not happen again because next time the fumble happens under heavier fire and the gap holds longer. Three seconds in a gap like that is three dead men." Wei moved his hand on the map. "Second Company — Liu, your decision to call bayonets before the first volley was correct. Own that decision. Brief your men that a wet-powder crossing means cold steel on first contact and volley fire only after pan-dry."

  Liu Sheng nodded. He was already writing.

  "The flag relay." Wei paused. He had been thinking about this since the artillery shift during the crossing, when he had looked north and seen the battery commander reading a reform signal as a cease-fire and holding his guns for forty seconds while the bank position was still active. Forty seconds of suppression missed. "The Liaodong signal set is too large for field conditions. In smoke, in river spray, at two hundred meters, no one reads seventeen signals reliably."

  Fang Wenbo, from the end of the table: "How many do we need?"

  "Five." Wei had made this calculation two days ago and had been waiting for the after-action to implement it. "Advance. Hold. Withdraw to secondary line. Flank right. Emergency withdrawal. Everything else is drum." He looked around the table. "These five signals. No others. You know your drums already. This simplifies the flags to what can actually be read in the conditions we fight in."

  Silence. Then Gao, writing: "Five signals. Drum priority for operational orders."

  "Yes." Wei straightened. "What else."

  Captain Tan Yue, who had not spoken yet — who rarely spoke in debriefs until he had something to say — looked up from the sketch he had been making on his own piece of paper. "The ford crossing formation needs a cavalry element in the water."

  Everyone looked at him.

  "Not to cross under fire," Tan clarified. "To ride the current for position at the flanks after the shield wall establishes the bank. Cavalry on the south bank thirty seconds after the wall is up — they prevent the Japanese from forming a counter-line on the flanks before we can consolidate. We almost had a flanking problem today. The eastern bank defenders pulled back east and could have reformed and come at us from that direction." He looked at Wei. "They didn't. But they could have."

  Wei studied him. "You want cavalry elements to cross in formation."

  "In column of twos. Behind the infantry. As soon as the bank is secure." Tan held up the sketch — a ford diagram with cavalry positions marked. "It adds sixty seconds of chaos to the water because the horses will fight the current. But it denies the flanks."

  Wei looked at the sketch. It was a good idea.

  "We'll drill it," he said. "Before the next major crossing." He looked around the table. "Which will be at Pyongyang, when the northeast gate fails. The assault formation will use what we used today — spear hedge leading the breach — but with the cavalry element following immediately, not waiting for my command. The breach is a thirty-second window. Everyone who is going through goes through in thirty seconds." He put both hands on the map. "We have three days of artillery preparation before the wall fails. We use those three days. Sleep when you can. Drill what failed today. I want the rope-harness technique understood by every man in the battalion before we assault those walls."

  He rolled the map.

  "Dismissed."

  The commanders filed out into the Korean dark. The artillery continued its patient conversation with Pyongyang's northeast wall from the hill. Forty-second intervals. The earth clearing its throat.

  Wei sat alone with the map for a long time after the last footsteps faded.

  Twenty-three men.

  He wrote their names in his pocket register from the casualty sheet Gao had left him. He did not do this for any particular reason he could have articulated. He did it because their names were the most important thing he could add to the record of this day.

  The drum sounded outside.

  One long roll: *lights.*

  The camp settled into the organized dark of a formation that had crossed a river under fire and would cross a wall in three days, and was spending the time between those two things becoming ready.