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1972 US Army AAH Program : Competition for the Advanced Attack Helicopter was between the Hughes Model 77 (YAH-64) and the Bell 409 (YAH-63).Other contenders were the Boeing Vertol AAH and the Lockheed CL-1700, a Cheyenne derivative. The Hughes Model 77 was selected and designated the AH-64 Apache.
1972 US Army AAH Program : Competition for the Advanced Attack Helicopter was between the Hughes Model 77 (YAH-64) and the Bell 409 (YAH-63).
Other contenders were the Boeing Vertol AAH and the Lockheed CL-1700, a Cheyenne derivative. The Hughes Model 77 was selected and designated the AH-64 Apache.
