Lockheed AH-56 Helicopter; Cheyenne, 40 x 80 ft. Wind Tunnel. (3/4 rear view)

Lockheed AH-56 Helicopter; Cheyenne, 40 x 80 ft. Wind Tunnel. (3/4 front view)

3/4 front view of Lockheed AH-56A (Cheyenne) Helicopter in Ames 40x80 Foot Wind Tunnel