Crew members control a CH-4 drone from a modular extendable rigid wall shelter (MERWS) during a test flight in mid-June at an undisclosed airport in northwest China. [Photo by Chen Boyuan / China.org.cn]
In mid-June, several CH-4 vehicles underwent test flights at an undisclosed airport in northwest China. Before the flights, the crew members posed for photos before the drones.
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