Louisiana National Guard Major General Glenn Curtis speaks at a news conference regarding the crash of a military helicopter, in Hammond, La., Wednesday, March 11, 2015. Two helicopters flew in the nighttime training mission that cost the lives of seven Marines and four soldiers, but one turned back in the dense fog, military officials said. (Gerald Herbert/Associated Press)
Military personnel wade in the water and search on the beach under heavy fog at Eglin Air Force Base, Fla., Wednesday, March 11, 2015, for the wreckage of a military helicopter that crashed with 11 service members aboard. The helicopter went down Tuesday evening. A Pentagon official says all aboard are presumed dead. (Melissa Nelson-Gabriel/Associated Press)
Sheriff’s deputies restrict traffic along Navarre Beach, Fla., as military and state law enforcement officials search for the wreckage of a military helicopter, Wednesday March 11, 2015. (Devon Ravine / AP)
