Chapter 22 - The Four-Minute Window

The blackout plunged the master suite into pitch darkness, save for the sickly amber pulse of the tactical terminal. Four minutes. In modern close-quarters combat, four minutes was an eternity; in an unshielded structural demolition scenario, it was barely enough time to breathe.
My Navy training kicked in before panic could take root. I dropped to one knee, lowering my silhouette away from the lakeside windows. My night-adjusted vision traced the jagged outline of Clara’s heavy oak desk. The transmission had mentioned a "second key." Not an iron house key, and not the cryptographic fob I had already secured.
I reached beneath the desk's central kneehole, running my calloused fingertips along the underside of the mahogany apron. Clara was old-school Fleet Intelligence; she never kept primary backups where a civilian contractor or a search warrant would look. My fingernail caught on the recessed lip of a false panel. I pressed firmly, releasing a spring-loaded magnetic tray.
Inside lay a heavy, matte-black titanium drive encrusted with a dual-stage biometric thumbprint scanner, alongside a silenced tactical sidearm—a customized SIG Sauer P226 with maritime finish. Clara hadn't just been running estate management; she had maintained an active dead-man relay for black-tier naval telemetry.
Outside, the heavy grinding of the submersible’s ballast tanks hissed against the midnight chill. The hull had fully breached the surface near the lower dock. I glanced at the terminal’s countdown timer: *02:48... 02:47...*
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They wanted me to walk out onto that dock like a beaten civilian, offering up the key before they detonated the foundation anyway. Whoever was behind the transmission had calculated that my emotional fatigue from dealing with my father and sister would make me compliant. They had made a fatal miscalculation. They assumed I was just a retired officer defending a luxury home. They forgot I had spent twelve years leading deep-reconnaissance strike teams in hostile waters.
I racked the slide of the P226, chambering a subsonic hollow-point round. I strapped the encrypted drive to my tactical vest, clicked on my low-light optical visor, and slipped through the terrace doorway into the freezing Sierra night.