Chapter 16 - The Eisenhower Breach
The flight via emergency transport helicopter from Denver to the Continental Divide took less than twenty minutes.
The scene at the Eisenhower Tunnel entrance looked like the aftermath of an artillery bombardment.
Massive slabs of reinforced highway concrete lay cracked like eggshells across the roadway. Rescue vehicles from four different mountain counties lined the highway, their red lights flashing against the towering granite walls of the canyon.
Paramedics and firefighters in yellow turnouts stood helplessly behind safety barriers as secondary rockslides sent cascades of gravel tumbling down the vertical slopes above.
Governor Helen Martinez, wearing a heavy windbreaker over her business suit, was standing beside the Incident Commander’s mobile command trailer when our helicopter touched down on the closed westbound lane.
Dr. Thorne, Maya, and I leaped out, wheeling ARIA 2.0 down the helicopter’s rear ramp.
The Incident Commander, Chief Miller, rushed over, his face smeared with soot and sweat. “Marcus, thank God you’re here. We’ve got zero visibility inside the tunnel bore. We sent an optical drone in twenty minutes ago, but the dust and diesel smoke blinded its sensors within thirty feet. We’ve got people trapped in air pockets, and their oxygen is running out.”
“We’re not using an optical drone, Chief,” Dr. Thorne replied, gesturing toward ARIA. “This is Miss Emily Vance, the lead designer of ARIA 2.0. She will direct the search operation.”
Chief Miller looked down at me, surprised to see an eighteen-year-old girl in a high-visibility rescue vest, holding an industrial control console.
“Can this machine find heartbeats through thirty feet of wet mud?” Miller asked urgently.
“She doesn't need to see through the mud, Chief,” I said, locking my tablet into the field console. “Her low-frequency acoustic ground-transducers detect the hydraulic pressure waves of human diaphragms expanding against collapsed air spaces. If there’s air and a pulse, ARIA will find it.”
I placed ARIA on the asphalt.
Her status light snapped from standby amber to an aggressive, piercing rescue-blue.
Her continuous rubber tracks bit into the cracked concrete as she propelled herself forward, moving smoothly over shattered glass, twisted rebar, and wet slurry.
She approached the dark, suffocating crevice between two fallen concrete slabs—a jagged gap no wider than fourteen inches.
A human rescuer couldn't fit. A standard search dog couldn't fit.
ARIA didn't hesitate.
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Her suspension compressed automatically, lowering her chassis profile to just nine inches above the ground. Her tracks engaged their high-grip micro-cleats, and she disappeared into the pitch-black void of the collapsed mountain tunnel.
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