Chapter 6 - The Subterranean Frequency
The synthetic voice echoed off the curved concrete walls of the drainage conduit, bouncing back in a distorted, metallic cadence that seemed to crawl straight inside my skull.
“Welcome back, Commander Mercer. We've been waiting for you to complete the circle.”
Admiral Vance shoved past me, his breathing shallow in the damp subterranean air. He swept the beam of his own pocket flashlight across the wet floor, his eyes narrowing at the radio device mounted securely to the wall. It wasn't standard issue for base maintenance; it was a high-grade relay transmitter, powered by an external lithium cell.
"It's a localized loop," Vance muttered, stepping closer to inspect the unit. "They knew we'd take this route. The base perimeter wasn't just breached—it was herded."
"Which means whoever is running this op has been reading our playbook from the start," I said, keeping my weapon raised as I swept the beam down the dark, receding tunnel. Water dripped rhythmically from overhead pipes, a steady, maddening tick-tock in the enclosed space. "Hayes, check our six. Make sure they didn't drop a charge down the hatch."
Hayes was already kneeling by the ladder, his carbine shouldered and aimed upward at the heavy iron seal we had just pulled shut. "Hatch is locked from the outside," Hayes whispered, his voice dangerously tight. "They didn't just let us down here, Dan. They sealed us in."
Before I could answer, the small red LED on the radio transmitter shifted from a slow blink to a solid, pulsing amber. The synthetic voice cut out, replaced by a burst of static, and then a live, breathing human voice came through the speaker.
"Commander Mercer. It’s been a long time since Syria."
My grip on the SIG Sauer tightened until my knuckles turned white. I knew that voice. Even filtered through the static of a relay transmitter, I would recognize the cold, clipped cadence anywhere.
"Vaughn," I said, the name tasting like ash in my mouth.
"Drop the security posturing, Dan," Agent Marcus Vaughn replied smoothly, as if we were chatting over a cup of coffee instead of trapped beneath a military airfield while a tactical squad waited upstairs. "You're holding a server core that doesn't belong to you, and standing next to an Admiral whose career expired about twenty minutes ago."
Vance stepped up to the radio, his face flushing with fury. "Vaughn! You rogue son of a bitch—this is high treason, and you know it! Step down or I'll have every black-ops tribunal in the country hunting you down before sunrise!"
Vaughn chuckled on the other end, a dry, humorless sound. "Admiral Vance, with all due respect, your tribunals ceased to exist the moment Package Nine walked out of that bunker eight months ago. You thought you were running an extraction. You were actually acting as couriers for a black-budget acquisition that went sideways."
"He's stalling," I whispered to Hayes, keeping my eyes fixed down the dark corridor ahead. "He's buying time to pump a chemical agent or gas into the intake vents."
"Dan's right," Hayes muttered, sniffing the air. "Do you smell that?"
A faint, sweet chemical scent drifted past us on the underground draft—odless, colorless, and terrifyingly familiar. Halothane.
"Move!" I yelled, grabbing Vance by the shoulder and shoving him down the tunnel. "Go! Now!"
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We broke into a ragged sprint through the dark, water-logged conduit, our boots splashing violently against the concrete floor as a thick white fog began billowing from the ventilation grates twenty yards ahead of us, choking off our only way out.
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