India, July 23 -- A China-born US researcher pleaded guilty today to stealing trade secret technologies developed for use by the U.S. government.

As per the US Department of Justice, the stolen trade secrets were related to technologies used to detect nuclear missile launches, track ballistic and hypersonic missiles, and allow U.S. fighter planes to detect and evade heat-seeking missiles.

Chenguang Gong, 59, of San Jose, pleaded guilty to one count of theft of trade secrets.

He remains free on $1.75 million bond.

According to his plea agreement, Gong - a dual citizen of the United States and China - transferred more than 3,600 files from a Los Angeles-area research and development company where he worked - identified in court document...