Chapter 50 - THE SIEGE AT RADAR RIDGE

"Explain," Evan said, stepping between the door and Sophie, his weapon raised, aimed dead-center at the open doorway.
"The radar dome above us wasn't decommissioned because of obsolescence," Grace said, dropping to her knees and wrenching the faceplate off the lower junction box with a rusted screwdriver from the console drawer. "It was decommissioned because my father packed the foundation pylons with four tons of commercial nitro-carbo-nitrate when the facility was transferred to the Whitaker Trust in 1974."
"A structural failsafe," Evan said, watching the shadows lengthen outside the open doorway. "To bury the archive if the Directorate ever tried to breach it."
"He called it the Samson protocol," Grace said, her hands moving with frantic speed, stripping two red copper wires from a secondary relay switch. "If I bridge these two contacts, the primary charges under the radar dish will collapse the summit. The whole pad—the transports, Eleanor, this room, everything—goes into the gorge."
"We'd be buried alive," Evan said.
"Not if we get into the drainage flume beneath this desk," Grace pointed to a circular iron manhole cover nearly hidden under a stack of rotting paper manuals. "It drops forty vertical feet into the abandoned spillway that drains toward Blackwood Creek. It's a sheer drop into freezing water, Evan. A fifty-fifty chance of surviving the impact."
"Fifty percent is better than what Eleanor is offering," Evan said.
Outside, the first stun grenade bounced through the threshold.
"Cover your eyes!" Evan roared, diving over Sophie, pressing her face into his chest and clamping his hands over her ears.
The detonation was blinding, a white-hot thunderclap that shattered the remaining monitor glass, turning the air into an opaque soup of smoke and ozone. In the immediate aftermath, before the ringing in his ears could subside, two tactical operators in gray ceramic armor swept through the door, their suppressed carbines raised.
Evan didn't aim for their vests. He fired three rapid rounds at kneecap level.
The lead operator collapsed with a wet scream, his weapon clattering across the concrete. The second operator shifted his fire, spraying the steel desk with suppressed rounds that sparked and ricocheted wildly.
Grace screamed, lunging forward, not away from the gunfire, but directly toward the operator's fallen weapon. She seized the carbine by the sling, rolled onto her back, and emptied the remaining half of the magazine into the ceiling directly above the doorway.
The weakened concrete, already fractured by decades of water damage and the exterior breaching charges, gave way. A two-ton slab of reinforced roof collapsed inward, crushing the second operator beneath a mountain of rubble and completely blocking the doorway, sealing the entrance against the rest of the assault team.
The room went dead silent, save for the hiss of severed electrical wires and the agonizing moans of the trapped guard beneath the stone.
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"Grace!" Evan yelled through the swirling dust. "Now! The flume!"
***