BEIJING – China has revealed a stealth drone that that has two internal bomb bays that could carry payload of about 4,400lbs.Dubbed ‘Sharp Sword’, built by Aviation Industry Corporation of China, the unmanned aerial vehicle won second place in China’s National Science and Technology Advancement Prizes, and is the first non-NATO craft of its kind, according to Popular Science.The monthly magazine said the Sharp Sword could enter service as soon as 2019-2020 for use in reconnaissance missions and for tracking foreign warships, and eventually, it could be used for combat.