One of Australia’s most highly valued defence firms is helping Ukrainian soldiers knock Russian drones off the battlefield, riding a surge in military spending by Western governments with tech combating the weapon of the future. From the trenches of Ukraine to the Red Sea and the cartel wars of South and Central America, unmanned aerial vehicles (UAVs) are an ubiquitous part of modern conflict conducting surveillance, taking airports offline, dropping deadly payloads, and carrying out so-called