U.S.-made unmanned aerial vehicles (UAVs) are fragile and unable to cope with Russian GPS jamming technologies, sometimes even unable to take off, Report informs with the reference the Wall Street Journal.
It was reported that most of the small drones developed by US startups have failed in combat: "This is also bad news for the Pentagon, which needs a reliable supply of thousands of UAVs."
Lacking the necessary support from the West, Ukraine turned to cheaper Chinese products to strengthen its drone arsenal.