Military Helicopter Crashes in Florida, 11 People Missing

Seven Marines and four soldiers are missing after the Army Black Hawk crashes.
1:50 | 03/11/15

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Transcript for Military Helicopter Crashes in Florida, 11 People Missing
First to the breaking news. Terrible accident, a helicopter with 511 troops on board going down during a routine training at Eglin air force base in Florida. We're just learning new details this morning and ABC's Martha Raddatz is in Washington with the latest. Good morning, Martha. Reporter: Good morning, robin. This is a terrible reminder that even in training, what the military does is dangerous and can be every bit as deadly as combat. It was a special operations training mission. A night training mission which makes it all the more challenging. Two black hawk helicopter, its army pilots presumably using night vision goggles during the exercise at Eglin air force base in the Florida panhandle. At about 8:30 P.M., one of the black hawks with seven special operations Marines on board and four-member crew disappeared. There was fog. I do not know at this time if it was a contributing factor but when our search and rescue personnel arrived on scene there was very limited visible. Reporter: The debris was finally located about 2 A.M. They're the from camp Lejeune. The army piles and crew, National Guard from Hammond, Louisiana. The second helicopter made it back to base. This is the second training accident involving a helicopter in the last several months. Two Marines died at the end of January. But it has been more than 12 weeks since any U.S. Military personnel died in combat. Robin. Are there they concerns, Martha, about this type of aircraft? Reporter: Well, it's the black hawk and it's the workhorse helicopter of the army so no real safety concerns about that particular helicopter. Just a reminder, again, of how dangerous these real-life exercises can be, robin. Yes, it is a reminder. Thank you, Martha. We turn to Hillary Clinton

This transcript has been automatically generated and may not be 100% accurate.

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