Countless cars have received military-grade marketing over the years, their performances likened to some form of ordnance or another. Saab was notorious for leaning on its aeronautical origins, and it’s hard to imagine what kind of state Jeep would be in today without literally parading its olive drab roots at every opportunity.
But not since World War II’s requisitioning of automotive factories have we had such a direct crossover between a civilian machine and defense devices as we have in today’s 1,250-horsepower, $2.35-million Czinger 21C. The car’s components are formed, layer by microscopic layer, in the very same machines that spin o …