4x 1940's United States Air Force Strategic Planning Chart US Maps

1949 US Air Force Strategic Planning Chart Northern Hemisphere SP-2 (2 Maps)

1948 US Air Force Strategic Planning Chart Southern Hemisphere SP-3 (2 Maps)

Approx. 49" x 37" in size

Rare Air Force charts 

Please ask any questions in advance so I have enough time to respond before end of auction.