Post Office began using airplanes to move the mail in order to help establish an air transportation system.
As it had with stagecoaches, steamships, and railroads, the federal government stepped in to foster a new transportation system. The U.S. Post Office began using airplanes to move the mail in order to help establish an air transportation system. Though there were a few bumps along the way, ultimately the air mail system successfully turned the struggling commercial airline business into a profitable economic power.