Lockheed AH-56 Cheyenne
The U.S. Army’s first venture into building an attack helicopter from the ground up. Although the AH-1 Cobra debuted around the same time as the Cheyenne, it was seen as an interim platform until a dedicated attack helicopter could be designed. The Army project received considerable flack from the Air Force, who saw it as an intrusion on their turf (CAS). The USAF, on the grounds that the Cheyenne had large wing-like pylons for weapons, actually made the argument that it wasn’t even a helicopter in an effort to get the project cancelled!