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NASA Testing Drones to Show No Threat to Airliners

The Predator drone, known for its stealthy strikes on terrorists, will begin flight tests early next year to prove large unmanned aircraft are safe while operating amid commercial planes.

Researchers will be studying so-called sense-and-avoid technology, designed to alert the drone’s remote pilot to nearby aircraft, according to Chuck Johnson, senior adviser for unmanned and autonomous systems at the National Aeronautics and Space Administration.