a16z-backed Castelion wants to mass produce defense hardware, starting with hypersonics

a16z-backed Castelion wants to mass produce defense hardware, starting with hypersonics

One builds weapons in hopes that they are not used. Thus goes the central premise of deterrence theory, which says it is the credible threat of aggression — not the use of aggression — that will ensure states avoid war. This theory has dominated much of America’s strategic thinking over the past 50-plus years, but […]