Imagine the "if you still had to do it that way." https://en.wikipedia.org/wiki/Transcontinental_Airway_System https://en.wikipedia.org/wiki/Transcontinental_A

Imagine the "if you still had to do it that way." https://en.wikipedia.org/wiki/Transcontinental_Airway_System https://en.wikipedia.org/wiki/Transcontinental_Airway_System https://www.smithsonianmag.com/air-space-magazine/soundings-arrow-quest-180957833/ https://www.smithsonianmag.com/air-space-magazine/soundings-...