The U.S. Navy and Boeing conducted the Stingray's first test flight on Saturday, showing its ability to taxi, take off, fly and land autonomously.
The highly versatile weapon has seen action affixed to the wings of P-51D Mustangs, aboard vessels in Vietnam and atop Humvees in the Middle East.
Ground robots ran more than 9,000 frontline missions in March, triple November's count, and captured their first Russian position last summer.
By Katie Livingstone
The service wants the kamikaze drone to have a range of at least around 15 miles and be light enough to be carried by two dismounted Marines.
By Michael Peck
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