B?n có th? mua b? d?ng c? xây d?ng robot tr?c tuy?n ho?c t? nhi?u c?a hàng ?i?n t? nh? OhStem.Unmanned beat air motor vehicles (UCAVs), which might be an upgraded form of UAVs, can perform a wide variety of missions, like battle. UCAVs are increasingly being built including the BAE Systems Mantis which might have the opportunity to fly by themse