u. k. john sagan, he's the transport leader at the u. k. in the middle east and africa. our but also in london, alex much at us is ation atlas. gentleman, a world welcome to you will adrian. let's start with you. you can already hi hale, a drive us tab in some us cities. how long they were before were all flying around in apple and caps? i think probably longer than is being predicted to is the on site. um, most people, uh the were low battery is uh to it going absolutely main stream to get it really cheap. we need pilot less ones and um, there's a lot of, i think public worry and concern about any pilot list play and i think we'll see relatively small scale things happen fairly quickly. um, so the saudi arabia that pushing it very, very hard and the regulatory environment is very sympathetic in other places by experimenting with the segregate to this space. so along very specific routes which makes things much easier to range. and the safety of these things should be way best them helicopters, they don't have rotors that have to tilt. they have electric motors rather th