IPR News End of an Era Iowa Public Radio Published September 8, 2013 at 12:50 PM CDT Facebook Twitter LinkedIn Email Listen • 2:12 1 of 4 Rick Fredericksen / Iowa Public Radio 2 of 4 Rick Fredericksen / Iowa Public Radio 3 of 4 Rick Fredericksen / Iowa Public Radio 4 of 4 Rick Fredericksen / Iowa Public Radio One-hundred-ten years after the Wright Brothers made aviation history, a ceremony was held to commemorate the end of manned flight by a unit of the Iowa Air National Guard.