China’s CH-4 killer drone appears to be falling out of favor with some of its major operators.

The Iraqi air force is down to just one operational CH-4 out of a fleet of around 10, according to an August 2019 report from the U.S. inspector-general.

Combined Joint Task Force Operation Inherent Resolve, the U.S.-led operation targeting Islamic State militants in Iraq and Syria, told the inspector-general that maintenance problems have grounded most of the Iraqi CH-4s.

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