Firestone XR-9
Sign in to saveAlso known as XR-9, Firestone Model 45, Firestone 45, Model 45, Firestone XH-9, XH-9, GA-45
1940s American experimental helicopter
Also known as XR-9, Firestone Model 45, Firestone 45, Model 45, Firestone XH-9, XH-9, GA-45
1940s American experimental helicopter