3. Predator C Avenger
The Predator C Avenger is a fast and highly accurate drone that has been manufactured in the United States and was designed to increase survivability in harsh environments. It measures 13 m in length and 20 m in wingspan, and it has a maximum takeoff weight of 18.2 tons at a load capacity of 4.5 tonnes. This drone is powered by one jet engine that allows it to reach a speed of 740 km per hour, can fly at an altitude of 15000 m, and has a range of 20 hours. It is currently in service with the United States Air Force.