All 6 crew aboard a U.S. KC-135 refueling aircraft that crashed in Iraq are dead, the U.S. military said Friday.
READ MORE: U.S. military says all 6 airmen in refueling aircraft that crashed in Iraq are dead
The military says the circumstances of the incident are being investigated.
Earlier, U.S. Central Command, which oversees the Middle East, said the crash followed an unspecified incident involving two aircraft in "friendly airspace," and that the other plane landed safely.
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The military said the loss of the aircraft was "not due to hostile or friendly fire."