US unmanned technology has proven to be a disappointment on the battlefield. Defense startups have joined forces with Ukrainian manufacturers to create more advanced, battle-tested aircraft for the US Army,

A growing proportion of these are equipped with AI guidance, allowing them to lock on to targets in the final phase of flight even if the link between pilot and drone is jammed. The automatic guidance can kick in at distances of 2km or more,

Silicon Valley is tapping into the know-how of Ukraine’s war-trained drone makers.