Updated: March 11, 2015, 11:42 AM
EGLIN AIR FORCE BASE, Fla. (AP) — Human remains washed ashore in heavy fog Wednesday after seven Marines and four soldiers were killed in an Army helicopter crash during a night-time training mission off a Florida beach.
All 11 service members were presumed dead, according to a Pentagon official who spoke with The Associated Press on condition of anonymity for lack of authority to be identified in the media.
Kim Urr, 62, who works at the Navarre Beach campground near where the helicopter went down, said she heard a strange sound followed by two explosions around 8:30 p.m. Tuesday.
“It sounded like something metal either being hit or falling over, that’s what it sounded like. And there were two booms afterward, similar to what you hear with ordnance booms, but more muffled,” Urr said.
“We knew immediately that something was not right. We listened for sirens, but there were no sirens. Then this morning, we heard a lot of sirens,” she added.
Despite the presumption of death and the discovery of human remains, crews hampered by fog still considered it a search-and-rescue mission, said Sara Vidoni, a military spokeswoman for Eglin Air Force Base, outside Pensacola.
Much of the area was enveloped in fog that reduced visibility to two miles or less when the UH-60 Black Hawk from the Army National Guard was reported missing Tuesday night, said Katie Moore with the National Weather Service in Tallahassee.
Crews began finding debris around 2 a.m. Wednesday, but the fog kept obscuring the scene after the sun came up.
The search was focused on the Santa Rosa Sound, a narrow waterway separating Santa Rosa Island from Florida’s mainland, Vidoni said.
From the beach, search boats could be heard but not seen, blasting horns as their crews peered into the water. The Coast Guard secured the waters around the crash site, she said.
The Marines were part of a special operations group based in Camp Lejeune, North Carolina. The National Guard soldiers were from a unit based in Hammond, Louisiana. None were immediately identified so that families could be told first.
The Army helicopter took off from a nearby airport in Destin, joining other aircraft in the exercise.
The training area includes 20 miles of pristine beachfront that has been under the control of the military since before World War II. The military sometimes drops trainees into the water to swim ashore from boats or helicopters.
Test range manager Glenn Barndollar told The AP in August that the beach provides an ideal training area for special operations units from all branches of the military to practice over the water, on the beach and in the bay.
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Associated Press reporters Lolita C. Baldor in Washington and Freida Frisaro in Miami contributed to this report.
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