Some intercept drones attacking Ukrainian cities, while others strike oil refineries hundreds of kilometres away in Russia. But Ukrainian drones are also known for their unconventional names, with humour becoming part of psychological warfare. The PS-1 Sun, made by Ukrainian defence technology firm SkyFall and nicknamed “pissioun” -- Ukrainian slang for “penis” -- has become almost a generic name for interceptor drones.JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. It has even inspired a verb to describe the fate of Russian kamikaze drones: they are now said to be “pissiouned.” At the Farnborough airshow, southwest of London, visitors stopped to photograph a new version of the PS-1 Sun on Monday. A SkyFall spokesperson, wearing a “Pissioun” T-shirt and hiding his face with a balaclava, presented the company’s latest model: the PS-1 Sun Jet Killer, designed to intercept jet-powered Shahed drones used by Russia. Combining wordplay, dark humour and expressions of anger, these names have become symbols of resistance and a way of injecting some levity into a country that has been at war with Russia for more than four years. “We wanted to create an effective product and also boost the morale of the soldiers a little. And we’ve succeeded: the mythology has taken off, this drone has become a global star,” another SkyFall spokesperson, who attends international defence exhibitions anonymously, told AFP. – ‘Vengeance’ – At Fire Point, another Ukrainian manufacturer specialising in long-range drones, the FP1 and FP2 officially take their names from the company’s initials.