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By Stijn Mitzer
As the number of nations operating unmanned combat aerial vehicles (UCAVs) grows larger and larger each year, Jordan retired its entire inventory of UCAVs some two years after they first entered service. At the center of this drastic move was the performance of the country's fleet of six Chinese-made CH-4B armed drones, which's unreliability, incompatibility with other Royal Jordanian Air Force (RJAF) assets and apparent inability to operate under jamming environments caused the RJAF to put them up for sale after barely seeing any operational use. [1]