U.S. military helicopter crashes off northwest Florida; 11 'presumed dead'
Military spokesman: Foggy at time of helicopter crash 01:28Story highlights
"There is still an intense amount of fog," military spokeswoman says
Four aircrew members, seven Marines were on board the helicopter when it went down
A second Black Hawk on the training mission returned to base
(CNN)Eleven U.S. military members were presumed dead Wednesday morning, according to a U.S. Defense official, after their Army Black Hawk helicopter crashed into water off the Florida Panhandle during a...
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