Biden was commissioned as an ensign in May 2013 and assigned as a public affairs officer in a Norfolk, Virginia-based reserve unit. A month later, he tested positive for cocaine, and he was discharged in February, according to the report.

The U.S. official said the Navy never had contact with the vice president’s office over the issue, and that standard procedure for failed drug tests is administrative discharge. The vice president’s office didn’t comment on the report.

Hunter Biden is the younger of Biden’s two sons. His older brother, Beau Biden, is Delaware’s attorney general and a major in the Delaware Army National Guard. He was deployed for a year in Iraq.