The U.S. defense intelligence chief is warning that America's technological edge over China is at risk because of cyber theft.
Lt. Gen. Vincent Stewart, director of the U.S. Defense Intelligence Agency, says the U.S. retains technological superiority. But he also says China has stolen "a lot" of intellectual property from U.S. defense contractors and that effort continues.
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He's declining to say publicly whether that has affected U.S. defense capabilities.
Stewart was speaking at a congressional hearing Tuesday on worldwide threats.
He said Chinese training and weaponry, including missiles, aircraft and space defense capabilities, pose a significant threat to U.S. forces in the western Pacific.