James Bakazan, a 53-year-old diver from Woodstock, Illinois, went missing on January 3, 2015, during a scuba expedition to the wreck of the USS Vandenberg about seven miles off Key West, Florida. He briefly surfaced after a dive, then submerged again without signalling distress and was last seen by fellow divers near the wreck before disappearing.

Searches by the Monroe County Sheriff’s Office, the U.S. Coast Guard and technical divers covered the interior of the wreck and the surrounding waters, but challenging conditions — strong currents and low visibility — hampered efforts. The search continued for several days and was called off on January 6, 2015. Bakazan’s body has never been recovered, and investigators noted he may have suffered medical or equipment problems underwater, but the circumstances remain unresolved.

Did anyone dive the Vandenberg around January 3, 2015, or have information about Bakazan’s dive team or equipment that could help explain what happened?