Signs of U.S. imperialism are omnipresent: from trillion-dollar defense budgets to fighter jet flyovers at professional sporting events; from “endless war” abroad to local police, in military kit, beating, gassing, and shooting protestors at home. How can we understand the U.S. empire in all its gargantuan totality—as the expression of American international power, a guarantor of global capital, and a structural factor of domestic American life? Where does the U.S. state, culture, and economy end, and the empire begin?