The South Korean Defence Ministry has unveiled a model for a hypersonic weapon prototype months after North Korea tested its own weapon. US Defence Secretary Lloyd Austin few days ago when he was in South Korea criticized Chinese hypersonic weapons tests for destabilizing the region.<br />''<br />''<span style="color: #222222;">The model for the weapon, named Hycore, was revealed on Friday by the Defence Ministry's Agency for Defence Development. Seoul is reportedly aiming to begin testing in 2022.</span><br />