December 10 tends to sit quietly on the calendar, a date that rarely makes headlines and never asks for much. Yet, across the long and strange saga of the United States Navy Submarine Force, this ordinary wintery day has carried more weight than it lets on. It has seen explosions in cramped early hulls, the smoke of war hanging over Cavite, the long shadow of strategic deterrence, and the uneasy reality that even the most powerful navy in the world still depends on shipyards that run behind schedule and politicians who promise to fix them.

1910: A lesson written in gasoline fumes