4. Pterodactyl Plane (CH-5)
Source: HistoryInOrbit
This Medium-Altitude Long-Endurance unmanned aerial vehicle was developed by the Chengdu Aircraft Industry Group and first flew in 2009. Since then it’s been used by several countries, including by the Egyptian Air Force in March 2017 to combat ISIS. It has a total flight time is 60 hours, and on top of that a 4,400-mile range.