FORT KNOX, KY - A Va. Beach-based Navy SEALwas killed and seven other sailors were hurt in a training accident at Fort Knox, Kentucky.

Special Warfare Special Warfare Operator Third Class (SEAL) Jonathan H. Kaloust, 23, died when the Humvee he was in overturned while conducting a training exercise.

Sister station WHAS-TV reports the accident occurred around 9:30 p.m. Wednesday.

The others were treated and released from a hospital, said Lt. David Lloyd, spokesman for the Naval Special Warfare Group Two.

The sailors were part of Naval warfare simulations taking place on the post. Lloyd called it 'tactical training,' but said the details are considered sensitive and could not be released.

'The Naval Special Warfare community is deeply saddened by this tragic accident,' said Capt. Robert Smith, Commander, Naval Special Warfare Group TWO. 'Our thoughts and our prayers go out to the family and friends of our fallen teammate and those injured in the accident. A thorough investigation into the incident is underway.'

SO3 Kaloust enlisted in the Navy on March 22, 2011. He attended Recruit Training Command, Great Lakes, IL and graduated from Boot Camp on May 13, 2011.

He's survived by his parents Gary and Irene Kaloust and sister Melanie of Massapequa, NY.

Naval Special Warfare Group Two oversees a variety of operations, including reconnaissance and counterterrorism. The Navy SEALS fall also fall under the Special Warfare Group's operations, though Lloyd did not say whether the wounded sailors were SEALS.

The U.S. Navy has used the 170-square-mile Fort Knox as a training ground since World War II. The Army post is about 50 miles southwest of Louisville and is home to about 14,000 military personnel, including active duty members and reserves.

It houses the Army's Human Resources Command and the 3rd Brigade Combat Team of the 1st Infantry Division. It was previously home of the U.S. Armor Center, but after 70 years at Fort Knox, the armored divisions were moved to Fort Benning in Georgia.

During World War II, naval architects tested mock-ups of ships at the inland post before the actual vessels were used in combat.

The Navy had five units and about 247 sailors involved in external training support at the post in 2011.

Kentucky's Salt River runs through the Army base. According to the Federal Register, the Corps of Engineers considers sections of the Salt River that fall within Fort Knox to be danger zones.

The river is used almost year-round for training and live fire exercises involving artillery, M1A2 Abrams Tanks, Bradley Fighting Vehicles, helicopters and other weapons systems. Public access to the area is barred because there may be unexploded ordnance from military weapons.

According to the Navy News Service, the Navy also uses the Salt River, a major Ohio River tributary, to shoot recruiting videos.

AP-WF-05-17-13 1522GMT

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