如今，国防领域的每个人都知道爱国者导弹及其他高端拦截系统的全球短缺。
By now everybody in defense knows about the global shortage of Patriots and other high-end interceptors.
但这场战争表明，军备创新周期是无情的，廉价无人机同样可能成为一个严峻的问题。若在技术或规模上落后于应对它们的步伐，将付出鲜血的代价。
But the war here is showing that the arms innovation cycle is relentless and cheap drones can become an equally dire problem. Fall behind in technology or scale to counter them, and you pay in blood.
俄罗斯最新的突破是一种喷气动力无人机，而乌克兰缺乏有效的应对方案。好消息是，基辅拥有一套快速赶上的框架。西方应予以关注。它可能也需要这样一个框架。
Russia’s newest breakthrough is a jet-powered drone, and Ukraine lacks a good response. The good news is that Kyiv has a framework for catching up quickly. The West should pay attention. It may need one.