A Chinese national who was employed for 10 years by Raytheon Missiles and Defense in Arizona will spend more than three years in federal prison for handing over sensitive military-related technology to China, prosecutors announced on Tuesday.
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A naturalized U.S. citizen, Sun was employed by Raytheon Missiles and Defense in Tucson as an electrical engineer with Raytheon Missiles and Defense, which develops and produces missile systems for the U.S. military.
During his employment with the company, prosecutors said Sun had access to information directly related to sensitive defense technology.
From December 2018 to January 2019, Sun traveled to China on a personal trip and brought along unclassified defense-related technical information in his company-issued computer.
Prosecutors said the technical information included data associated with an advanced missile guidance system that was controlled and regulated under the Arms Export Control Act and International Traffic in Arms Regulations.
Despite having been trained to handle these materials correctly, authorities said Sun knowingly transported the information to China without an export license in violation of the AECA and the ITAR.
“Sun was a highly skilled engineer entrusted with sensitive missile technology that he knew he could not legally transfer to hostile hands,” said Assistant Attorney General John C. Demers. “Nevertheless, he delivered that controlled technology to China. Today’s sentence should stand as a warning to others who might be tempted similarly to put the nation’s security at risk.”
The Associated Press contributed to this report.