Master-at-Arms 3rd Class LJ Cosgriff-Flax died when he fell overboard while conducting training at Naval Weapons Station Yorktown in Yorktown, Virginia.
He was conducting familiarization training on the York River with his harbor security boat team when he fell overboard at about 8:05 pm. MA3 Cosgriff-Flax suffered fatal injuries during the incident.
MA3 Cosgriff-Flax had been stationed at NWS Yorktown for two years. He is survived by his mother, father and stepmother, brother, sister, and grandparents.
Source: ODMP
https://www.odmp.org/officer/27041-master-at-arms-lyndon-joel-cosgriff-flax