Seoul : North Korea has showcased its unmanned aerial technology, including artificial intelligence (AI)-powered defence capabilities, and publicly demonstrated its 600-millimetre "Sniper" multiple rocket launcher for the first time, with leader Kim Jong-un calling for "absolute superiority" in drone technology, Yonhap News Agency reported on Friday.The demonstration was held on Thursday alongside an exhibition on unmanned aeronautical technology attended by Kim, according to North Korea's state-run Korean Central News Agency (KCNA).