Chapter 59 - Whiteout Firefight
The thermal drainage tube was a claustrophobic nightmare of corrugated steel, frozen sludge, and sharp industrial rivets.
Miller went first, pushing his tactical pack ahead of him with his uninjured arm. I followed, dragging Maya by her harness straps while she groaned with every inch of progress. Catherine brought up the rear, setting three delayed M18A1 Claymore mines at twenty-meter intervals behind us, their command wires spooling out as we crawled.
The air grew progressively colder until every inhalation burned our bronchial tubes like crushed glass. The tube angled downward at a sharp fifteen-degree grade, slick with decades of frozen condensation.
Above us, the muffled detonations began.
The clean-up team had reached the upper bunker complex. They were using shaped breaching charges to blow through the collapsed stairwells, systematically clearing every sector with thermobaric grenades. Even fifty meters below the surface, the concussive slaps reverberated through the corrugated steel walls of the drainage tube, showering us with frozen rust.
"They're descending the main shaft!" Catherine called out from behind. "They found Albright’s body! Claymore one is armed!"
We reached the end of the drainage tube thirty seconds later.
Miller kicked through the rusted exhaust louvers, spilling out onto a narrow, snow-covered rock ledge overlooking the sub-glacial sea cave.
It was a cathedral of black basalt and glowing turquoise ice. Fifty feet below the ledge, the dark, churning waters of the Arctic Ocean lapped against the edge of the shelf, choked with jagged ice floes and slush. But outside the mouth of the sea cave, the Arctic blizzard was raging in full fury—a blinding, howling whiteout that tore across the ice pack at sixty knots.
And hovering just outside the cave entrance, its twin tilt-rotors throwing up massive vortexes of blinding snow, was a matte-black V-22 Osprey.
"They have the exit covered!" Miller shouted over the gale, dropping flat onto the rock ledge and raising his rifle.
Through the whirling blizzard, four figures in advanced white winter camouflage stepped off the hydraulic ramp of the hovering aircraft, their boots sinking into the sea ice. They were equipped with four-tube panoramic night-vision goggles, thermal optics mounted to suppressed carbines, and heavy body armor devoid of any national insignia.
"Black Caiman," Catherine spat, dropping down beside Miller. "Thermal scopes! Stay behind the basalt outcroppings!"
A sudden, sharp crack echoed through the cavern, followed immediately by the dull *thud* of a 7.62mm round gouging out a fist-sized chunk of granite three inches above Miller’s helmet.
They had thermal vision; our body heat in the sub-zero air was glowing like beacons against the frozen stone.
"Claymore one detonated!" Catherine yelled as a muffled blast shook the tunnel behind us. "The rear team took the bait, but that only buys us two minutes before the rest breach through the drainage pipe!"
"We're pinned between the sweepers in the cave and the sweepers behind us!" Miller yelled, returning fire with two controlled bursts that forced the mercenaries on the ice to take cover behind a ridgeline of pressure ice.
I dragged Maya into a deep rock alcove, out of the line of fire, and pulled my smoke grenades from my web gear.
"Thermal scopes see through standard smoke," I shouted to Catherine. "What do we have that masks heat?"
"The glycol line!" Catherine pointed to an auxiliary coolant pipe running along the cavern roof toward the water—an old heat-exchange conduit from the 1950s generator plant. "If we rupture that line with an armor-piercing round, the superheated glycol will mix with the freezing sea spray. It will create an instantaneous, boiling thermal bloom that blinds their digital optics!"
"I've got the shot!" Miller aimed upward at the rusted valve assembly twenty feet above the ice shelf.
He squeezed the trigger. Three rounds punched through the corroded brass valve.
The pipe ruptured with a violent shriek. Hundreds of gallons of pressurized, superheated glycol erupted into the freezing Arctic air, instantly flashing into a dense, blinding fog of boiling vapor that cascaded down over the cavern mouth like a waterfall of steam.
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On the ice below, the mercenaries' optics were instantly overwhelmed. Across their thermal viewfinders, the entire world flared into blinding, white-hot saturation.
"Now!" Catherine roared.
