LI-JIAN

A hunter-killer with stealth capabilities? As usual with the Chinese military, hard facts about Li-Jian – literal translation: ‘sharp sword’ – are thin on the ground, but various sources claim hypersonic speeds, with both air-to-air and air-to-ground attack capabilities.

Why you should be scared: Are you serious? A Chinese jet-powered hunter-killer drone that’s invisible to radar? You’ll find us under the bed.