Can U.S. Air Power Prevent a War? Sikorskys huge twin engine S 56 type, built for the Marines, will be a powerful new instrument of American Air Power. 1954 United Aircraft Ad by McCall, A1762


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When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.
Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.