The AH-64 Apache is a four-blade, twin-turboshaft attack helicopter, developed for the United States Army as a successor to the AH-1 Cobra, to meet the advanced combat needs of the late 20th century.

The chief of the Arizona National Guard is mounting a last-ditch effort to save Apache attack-helicopter training at the Silverbell Army Heliport near Marana, as the Army moves to transfer most of ...