Ukraine’s battlefield “kill zones,” where leaving your bunker can mean death by Russian drone within minutes, look set to grow swiftly as the war drives breathtaking technological advancements, former Google CEO Eric Schmidt has warned. Schmidt, now CEO and executive chairman of rocket maker Relativity Space, is helping Ukraine fight a technological battle with the Kremlin that moves so quickly that weapons can lose their advantage within months. “The rate of innovation is faster than I’ve ever seen, and I work in tech,” Schmidt told Richard Engel, NBC News’ chief foreign correspondent. Schmidt previously chaired the U.S. National Security Commission…