With America’s drone technology a disappointment on the battlefield, defense startups have joined forces with Ukrainian manufacturers to build better, war-proven aircraft for the U.S. military. U.S. startups have spent billions of venture-capital dollars in hopes of developing the small drones that the Pentagon says it needs for future conflicts,

U.S. startups burned through billions in venture capital trying to build small drones the Pentagon says it needs for future conflicts, only to produce costly UAVs that often fail to fly well. Meanwhile,