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PBS News Hour
Drone swarms over key U.S. military bases raise concerns
The war in Ukraine is providing a real-time testing ground for nations defending against drones. But unidentified drones are also an ongoing concern in the United States. This month, a swarm of drones repeatedly hovered around Barksdale Air Force Base in northwest Louisiana. Liz Landers discussed more with retired Air Force Lt. Gen. Dave Deptula.
