Keywords: Akron engine.jpg en USS Akron ZRS-4 Scene in one of the airship's engine rooms circa 1931-1932 This photograph was received from the U S Navy Recruiting Bureau New York in 1932 http //www history navy mil/photos/ac-usn22/z-types/zrs4-o htm Author PD-USGov-Military-Navy USS Akron ZRS-4 |