It’s where the world’s militaries come to window shop.

At the biennial Defense and Security Equipment International (DSEI) fair, everything from missiles and warships to knives and parachutes were on display, coming from the military supply companies of more than 50 countries. With top brass strolling the floor, it’s no surprise that companies choose this event to launch their latest.

From robots and rifles to machine guns and more, here are five of the biggest “reveals” this year.