Chapter 10 - Ghosts of the Deep

I looked at Tom Vance. I had known him since he was an eighteen-year-old kid from Iowa, vomiting sea water on the beach at Coronado while I stood over him with a stopwatch. He was tough, smart, and unflinching.
If Tom Vance was visibly shaken, it meant the situation was catastrophic.
"Why me, Tom?" I asked quietly. "I’m eighty-seven years old. My operational days ended before you took your first command."
Vance slid the red envelope across the table, pushing it toward my weathered hands.
"Because the wreckage didn't go down in open ocean, Captain," Vance said, leaning in so close I could see the reflection of the dining room lights in his dark pupils. "The submarine crashed into the Shoal of Skulls."
The name hit my memory like a hammer striking cold steel.
The Shoal of Skulls.
A labyrinth of underwater volcanic caverns, sheer trenches, and violent subsurface rip currents off the coast of an uncharted atoll. In 1968, the United States military had attempted an underwater listening post operation there during the height of the Cold War.
It had ended in complete disaster.
Twelve divers had entered the cavern system. Only two had come back out.
I was one of them.
"The Pentagon's modern mapping systems can't penetrate those underwater volcanic basalt caves," Master Chief Hayes explained grimly. "Our submersible drones lose all satellite and sonar telemetry the moment they enter the trench. The new generation of SEALs... they have all the technology in the world, sir, but none of it works down there."
"They're blind," I murmured.
"Completely blind," Vance agreed. "And the four men inside that mini-sub have approximately forty-eight hours of emergency oxygen remaining. If they’re trapped inside the cavern network, modern doctrine has no answer. We don't have the maps. We don't have the hydrology."
Vance reached out and placed his hand over mine.
"You surveyed that entire cavern system by hand, Arthur. You drew the original hand-drafted tactical bathymetric charts of the Shoal of Skulls before the operation was classified and buried in the Pentagon archives."
"Those charts were burned when the project was shut down," I said softly, the memories of freezing, pitch-black water and drowning teammates rushing back behind my eyes.
"The Pentagon's copies were destroyed," Vance corrected, his eyes locking onto mine with desperate intensity. "But I know you, Captain. You never throw away the maps of places where your men died."
I went quiet.
My fingers touched the worn leather pouch on the table.
Inside, beneath the tarnished metal UDT card, wasn't just a combat badge.
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It was an oiled silk roll. A hand-drawn, micro-topographical map of the most dangerous underwater cavern system on Earth.
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