Thread: Sikorsky R-4 pics [2/6] - During shipboard landing trials aboard USAT James Parker, the XR-4’s main USAAF sponsor Lt. Col. H.F. Gregory with Igor Sikorsky.jpg (1/1)
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Old September 6th 18, 03:19 PM posted to alt.binaries.pictures.aviation
Miloch
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Default Sikorsky R-4 pics [2/6] - During shipboard landing trials aboard USAT James Parker, the XR-4’s main USAAF sponsor Lt. Col. H.F. Gregory with Igor Sikorsky.jpg (1/1)




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