NORFOLK, Va. (WAVY) — The Navy is investigating the death of a sailor on-board submarine, the USS Helena.

On Wednesday, a spokesman said the sailor was found dead on the boat while it was moored to the pier at Naval Station Norfolk on May 24.

The sailor has been identified as Sonar Technician Submarine 3rd Class Timothy Sanders.

The Navy issued the following statement:

Sonar Technician Submarine 3rd Class Timothy S. Sanders, assigned to USS Helena (SSN 725), was found deceased onboard the boat pierside at Naval Station Norfolk, Va. on May 24, 2024. We deeply mourn the loss of our shipmate, and our thoughts and prayers are with the Sailor’s family, friends and coworkers during this difficult time. Grief counseling services and support are being provided through the chain of command and local chaplain resources. The U.S. Navy is cooperating fully with the Naval Criminal Investigative Service (NCIS), who are investigating this incident.

Naval Criminal Investigative Service (NCIS) is investigating the incident.