The U.S. Army has grounded its entire fleet of CH-47 Chinook helicopters
The U.S. Army has grounded its entire fleet of CH-47 Chinook helicopters due to a risk of engine fires, U.S. officials said.
Army officials are aware of a small number of engine fires with the helicopters, and the incidents didn’t result in any injuries or deaths, the U.S. officials said. One of the officials said the fires occurred in recent days.