Four Presumed Dead In California Marine Helicopter Crash

Cover Image: File image of a CH-53E Super Stallion helicopter

A marine helicopter has crashed during a southern California training mission and authorities believe all four crew members were killed.

US military said the CH-53E Super Stallion went down near El Centro at approximately 2:35pm (PST) on Tuesday during a routine training mission.

The helicopter was with the 3rd Marine Aircraft Wing out of the Miramar air station near San Diego.

The cause of the crash is being investigated.

More to follow.