Early in the morning of September 9, 1920, a US Airmail DH-4 biplane lifted off from this very airport, the oldest of a handful of the original Post Office airfields still in existence and operational. In one respect, there wasn’t anything particularly unusual about this event. Iowa City had been servicing Post Office airmail flights for some months now, refueling them as they flew both east and west between Omaha and Chicago.
What was different this morning is the mail it carried was not destined to be put on a train in Omaha, but be flown all the way to the West Coast: a first...