Northrop Grumman Corp. has equipped the Bat, its 220-pound unmanned aircraft, with signal-jamming electronics, demonstrating the capability for the U.S. Marine Corps.

Northrop Grumman Corp. has equipped the Bat, its 220-pound unmanned aircraft, with signal-jamming electronics, demonstrating the capability for the U.S. Marine Corps. Photo by Photo courtesy of Northrop Grumman Corp.

General Atomics Aeronautical Systems Inc...

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