US Navy: 2 Dead From Oman Helicopter Crash The U.S. Navy says the death toll from a helicopter crash last week in the Arabian peninsula nation of Oman is two. It says three other crewmembers aboard the downed MH-53E Sea Dragon survived Thursday's crash. The Navy's Bahrain-based 5th Fleet identified the deceased sailors late Saturday as Senior Chief Aviation Warfare Systems Operator Sean P. Sullivan, 40, of St. Louis, Mo., and Naval Aircrewman (Helicopter) 2nd Class Joseph P. Fitzmorris, 31, of West Monroe, La. The helicopter was assigned to Helicopter Mine Countermeasure Squadron 15, based in Norfolk, Va. It crashed 58 miles (93 kilometers) southwest of the Omani capital Muscat. The Navy says it is investigating.