The Footfalls of History When I began writing Pearl Harbor’s Final Warning, I kept coming across the word “Cantonment.” I also had a W-2 from a cantonment. My step-grandmother, Nina Street, had worked at the canteen at a cantonment. And my mother, when she drove a black-out jeep to pick up money to wire to the mainland, had mentioned driving to cantonments. I was able to discern from the context that they were temporary work camps and for the purposes of the book, let it go