United's 1940s colorful US route map also shows the limits of trans-Pacific flight options: http://t.co/awovdf8elK #routemap
This tweet was posted on October 07, 2014.
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event ribbon: Pan American Airways, First Trans-Pacific Fllight; 1935
Gift of Jon E. Krupnick
2022.124.806
https://t.co/rpMRoSvQsh
This tweet was posted on November 29, 2023.