This did not sound like nonsense.

That frightened him more.

He snatched the military emergency frequency radio.

“Pacific Air Command, this is United 2291 Heavy. We have a passenger claiming Citadel clearance designation Delta Romeo Alpha Golf Oscar November. Request verification immediately.”

Static.

Three seconds.

Four.

Then a voice came through, male, older, command-sharp.

“United 2291 Heavy, this is Pacific Air Command. Confirm Citadel designation. Stand by for Rear Admiral Bryce.”

Merritt’s hand tightened around the radio.

Walsh went still.

Another voice came through.

“Captain Merritt, this is Rear Admiral Thomas Bryce, Pacific Air Command. Listen carefully. I understand what the individual in your cockpit looks like. I understand how old she is. I am confirming that Priya Sharma is one of the most capable tactical flight minds we have trained, regardless of age or appearance. We have F/A-18s scrambling from Carrier Strike Group Seven. They will reach your position in approximately sixteen minutes. You need to survive sixteen minutes. If she says she can help you do that, you let her help. Do you understand?”

Merritt lowered the radio slowly.

The cockpit hummed.

Priya was still watching the radar.

“Cloud layer at nineteen thousand feet,” she murmured. “Entry angle thirty degrees relative, initial descent fifteen degrees, right bank to set vector, transponder standby for eleven seconds after descent begins. We can force search-pattern reset.”

Merritt looked at Walsh.

Walsh looked at Priya.

Then Merritt said the only words left.

“What do you need us to do?”

Priya moved immediately.

Not with triumph.

With relief that the hardest barrier—adult disbelief—had been crossed before the drones arrived.

She pulled down the observer jump seat and climbed into it. The seat was too large. Her feet did not reach the floor. Her yellow hoodie looked almost absurd beneath the cockpit lighting, cheerful and soft in a room suddenly full of lethal mathematics.

She buckled in.

“I will direct,” she said. “Captain, you maintain manual control. First Officer Walsh, you handle instrument timing and transponder changes on my command. Do not anticipate me. Timing matters more than instinct right now.”

Walsh nodded once.

Her face had gone pale, but her hands were steady.

Priya noticed.

Good.

“Captain, in forty-five seconds I will say go. When I say go, push the nose down to a fifteen-degree descent angle and add fifteen degrees of right bank simultaneously. Not sequentially. Simultaneously. Can you do that?”

“Yes.”

“First Officer Walsh, after descent begins, I will mark the transponder to standby. Eleven seconds exactly. I will count. Then back to normal. Do not turn it off. Standby only.”

“Understood.”

“The cabin will feel a significant drop. Passengers will scream. Loose items will move. People who are not buckled may be injured. I’m sorry.”

Merritt almost laughed.

Not because it was funny.

Because an eleven-year-old child had just apologized for the physics required to save 271 lives.

“I’m very sorry,” Priya added, eyes still on the radar. “Commercial aircraft are not supposed to fly this way.”

“No,” Walsh said quietly. “They are not.”

“Thirty seconds.”

In the cabin, nobody knew exactly what was about to happen.

The flight attendants had done what they could. People were buckled now, mostly. Bags were shoved under seats. Coffee cups were collected or abandoned. A teenage boy in row 23 had his phone angled toward his own face, recording a message he hoped nobody would ever need to watch. A pediatric cardiologist named Dr. Anita Krishnamurthy sat in row 8 with her hands folded and her eyes closed, doing the thing she always did before she opened a child’s chest in surgery.

Not quite prayer.

Not not prayer.

The man in row 12 had stopped eating pretzels. He had put the bag away carefully in the seatback pocket, as if order in one tiny thing might persuade the universe.

Near the back, a little boy clutched a stuffed bear by one ear and asked his mother whether airplanes could hide.

His mother did not know what to say.

In the cockpit, Priya counted.

“Five.”

Merritt’s hands tightened on the controls.

Walsh’s fingers hovered.

“Three.”

The drones closed.

“Two.”

The cloud layer waited below like a black ocean.

“One.”

Priya inhaled once.

“Go.”

The aircraft dropped.

The nose pitched down. The right wing dipped. The horizon vanished from its usual place and reappeared wrong, tilted hard outside the cockpit windows. Engines shifted tone. Gravity loosened its familiar grip, then grabbed again.

In the cabin, 271 people felt the world fall away.

The screams came instantly.

Not one scream.

All of them.

A roar of human terror slammed against the cockpit door. Phones flew forward. A paper cup hit the ceiling. A child’s stuffed bear tumbled down the aisle. A man who had ignored the seat belt sign lurched hard into his seatback and cursed. Someone shouted, “We’re going down!” Someone else began sobbing uncontrollably.