Tags: Aircraft.
The Boeing-Sikorsky RAH-66 Comanche was an advanced five-blade armed reconnaissance and attack helicopter designed for the United States Army. The RAH-66 program was canceled in 2004 before mass production began after nearly US$7 billion was spent on the program.During the early 1980s the U.S. Army began formulating a requirement for the replacement of its helicopters then in service resulting in the Light Helicopter Experimental program.