Down the center of the chamber, illuminated by the continuous amber glow of independent tritium lamps, sat forty-eight massive titanium transit cylinders bolted to the bedrock.
Inside each cylinder, sealed in pressurized nitrogen, rested the mechanical, analog brass code-drums and mechanical target-release ciphers for the nuclear deterrent of the United States.
No digital hack could touch them.
No satellite override could blind them.
They were physical, un-hackable, eternal.
I walked down the central gangway, my hand-welted leather field boots ringing clear against the diamond plate.
Barnaby walked at my right heel, his amber eyes reflecting the soft tritium light.
Admiral David Mercer stood beside Cylinder Number One.
He reached out, his hand trembling slightly, and brushed his fingers across the engraved brass plaque welded to the titanium casing:
`CONDUIT TEN // THE BEDROCK ARTERY`
`SURVEYED & CONSTRUCTED BY CWO ARTHUR MERCER SENIOR`
`UNITED STATES NAVY // 1944`
`”BUILT PLUMB. HELD TRUE.”`
Admiral Mercer looked at me, tears glistening in his flint-gray eyes:
