By Will Conroy in Prague In just five years, the number of countries manufacturing and exporting unmanned aerial vehicles (UAVs), or kamikaze drones, has exploded, warns a Carnegie analyst who has examined “the larger geopolitical shift behind Iran’s drone sales to Russia”. In 2017, nine countries were developing or manufacturing 26 models of loitering drone munitions, but more than 100 models are in development or production in at least 24 countries today, pointed out Steven Feldstein, a senior fellow in the democracy, conflict and governance programme at the Carnegie Endownment for Internati…