Chapter 5 - The Oxygen Countdown
The metallic tang of copper flooded my mouth as I dragged myself up from the oily concrete, pressing a trembling hand against the throbbing, swollen wound on the side of my head. My vision swam, red and gold spots dancing across the darkness of the subbasement.
The digital klaxon was deafening now, a relentless, pulsing shriek that echoed off the damp concrete walls. Above me, through the heavy reinforced ceiling grates, I could hear the muffled, chaotic shouts of Captain Lawson and her tactical squad scrambling through the precinct bullpen. They were trapped upstairs, locked out of the subbasement core by Vance's master electronic override.
I stumbled toward the main exit hatch, slamming my fists against the thick steel. It was locked tight from the outside, the automated security bolts fully engaged.
"Lawson!" I screamed, my voice cracking through the din of the klaxon. "Lawson, can you hear me?!"
A muffled thump echoed from the other side of the steel hatch, followed by Lawson’s frantic voice shouting through the intercom speaker: "Brooks! Status! The entire precinct mainframe just locked us out! All exterior security shutters dropped simultaneously, and we’ve lost camera feeds to the subbasement!"
"Vance is gone!" I yelled back, coughing as a faint, sweet-smelling chemical mist began to hiss from the overhead ventilation nozzles. "He purged the system! He’s venting Halon gas into the subbasement!"
A sharp intake of breath echoed through the intercom. "Halon? Damn it, that's an oxygen-depletion suppression gas! It'll suffocate you in under four minutes!"
"Forget about me!" I shouted, pressing my face against the narrow seam of the hatch to catch what little clean air filtered through. "He didn't just steal municipal keys, Captain! Check the secure satellite logs for the naval shipyard! He’s uploading a secondary payload to the Pacific Fleet's navigational servers right now!"
"We can't access the logs!" Lawson yelled back over the blaring alarms. "The master terminal is locked behind your door! Brooks, look around you! Is there a manual purge release valve in that chamber?"
I spun around, sweeping my flashlight beam across the towering server racks and banks of humming machinery. Through the thickening haze of white chemical mist, my eyes scanned the perimeter walls. On the far side of the chamber, half-hidden behind a thick bundle of high-voltage cables, was a heavy red lever encased in a smashed glass housing marked EMERGENCY MANUAL VENTILATION.
"I see it!" I called out, my chest already burning as the oxygen levels in the room began to plummet. "It's on the far wall behind the primary transformer!"
"Pull it!" Lawson screamed. "Pull it, Brooks!"
I broke into a ragged sprint across the slick floor, my boots sliding on the oil-slicked concrete. My lungs felt like they were filling with liquid fire as the dense white fog closed in around me, reducing visibility to less than three feet.
I reached the red lever, my fingers clawing desperately at the remaining jagged shards of glass around the housing. I wrapped my hands around the cold iron handle, braced my boots against the concrete base, and threw my entire body weight into pulling it down.
The lever groaned, resisting with the force of a thousand pounds of pneumatic pressure. My muscles strained to the breaking point, veins standing out in my neck as I pulled harder, begging my body for one more surge of adrenaline.
With a deafening CRACK, the internal gears gave way, and the lever slammed downward into the locked position.
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Instantly, the high-pitched klaxon cut out, plunging the subbasement into an eerie, suffocating silence. But the white mist didn't clear—instead, the overhead ventilation fans violently reversed, sucking the air out of the room with terrifying force. My ears popped violently, a wave of intense dizziness washing over me as my knees gave out and I dropped to the floor.
As my vision tunneled down to a tiny, pinpoint circle of light, the heavy steel security door across the room didn't open. Instead, a small, reinforced maintenance panel beside the door clicked, and a tiny digital screen flickered to life, displaying a flashing red countdown timer starting at 02:00—and a secure terminal audio log beginning to play automatically in Vance's synthesized voice: “Initiation complete. Pacific Fleet synchronization in progress. Target acquisition locked.”
