An active-duty U.S. Navy sailor has been found guilty of espionage after a federal jury concluded that he sold sensitive military information to a Chinese intelligence officer in exchange for money.

The Department of Justice announced the conviction on Wednesday, describing it as a grave breach of national security and military trust.

The sailor, Machinist’s Mate 3rd Class Jinchao Wei, is only 25 years old yet now faces a lifetime defined by betrayal and criminal charges.

While stationed at Naval Base San Diego, Wei passed along valuable Navy secrets to an officer working on behalf of the People’s Republic of China.

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Prosecutors revealed that he received $12,000 over the course of an 18-month period in return for this classified information.

“The defendant’s actions represent an egregious betrayal of the trust placed in him as a member of the U.S. military,” said Adam Gordon, the United States attorney for the Southern District of California.

“By trading military secrets to the People’s Republic of China for cash, he jeopardized not only the lives of his fellow sailors but also the security of the entire nation and our allies.”

Wei’s conviction covers six different crimes. These include conspiracy to commit espionage, espionage itself, and the unlawful export of technical data related to defense articles.

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He was also charged with conspiracy to export controlled information, which is prohibited under the Arms Export Control Act and the International Traffic in Arms Regulations.

These charges reflect the seriousness of his activities because they involved the direct transfer of highly sensitive information to a foreign adversary.

The case gained national attention when Wei was arrested in August 2023. Authorities took him into custody at Naval Base San Diego as he arrived for work on the amphibious assault ship Essex.

The arrest underscored how close he came to continuing his espionage without detection, and at the same time, it highlighted the persistent threats posed by foreign intelligence recruitment of U.S. service members.

Court documents revealed that Wei’s involvement with Chinese intelligence began on February 14, 2022.

On that date, he connected through social media with an individual who claimed to be associated with the China Shipbuilding Industry Corporation.

Despite this false identity, prosecutors argued that Wei clearly understood the true nature of his contact.

Evidence presented during the trial demonstrated that Wei was aware of the officer’s hidden motives and still chose to provide information.

The irony is that Wei had just completed counterintelligence training warning sailors that foreign adversaries might attempt to recruit them through social media.

According to early reporting from the Military Times, his indictment noted that he received these warnings shortly before starting his illegal communications.

Therefore, the timeline makes his decision even more alarming because he ignored clear guidance and protections set in place by the Navy.

Wei held a U.S. security clearance, which gave him access to confidential details about the Essex. This included knowledge of the ship’s weapons systems and structural design.

Such access was granted because sailors are trusted to handle national defense information responsibly. Instead, Wei chose to violate that trust.

In fact, testimony revealed that he even told another petty officer that he was tasked with spying for the People’s Republic of China. By doing so, he not only confessed to his illegal activity but also showed a troubling lack of regard for the consequences.

This case serves as a sobering reminder of how vulnerable even the most secure institutions can be when an individual places personal gain above duty.

Wei’s conviction is part of a larger pattern of espionage concerns involving China, which U.S. officials have repeatedly described as the nation’s most significant long-term security threat.

Because Wei acted with full knowledge of his training and responsibilities, his betrayal cuts even deeper for the military community.

The Department of Justice emphasized that the verdict should send a message to others who might consider similar actions.

The willingness to compromise national security for financial reward is not only illegal but also destructive to the very mission of protecting the United States and its allies.

As sentencing approaches, Wei’s case stands as both a warning and a lesson. At the same time, it reveals the resilience of the institutions that detected and stopped his actions before further damage was done.

The betrayal of one sailor will not undo the strength of the Navy, but it does underscore the constant vigilance required to defend against threats both abroad and from within.

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