8. XQ-58 Valkyrie
The XQ-58 Valkyrie is a long-range stealth drone that has been manufactured in the United States, it is designed to provide an unmanned escort to different military aircraft and measures 8.8 meters in length and 6.7 meters in wingspan. It can be used in surveillance and reconnaissance missions and can deploy smaller drones such as the LT S600 to increase their operational capabilities. Its maximum takeoff weight is 2.7 tons at a load capacity of 540 kilos, can reach a speed of 1050 km per hour at an altitude of 13700 ft, and has a range of 3900 km.