Complex sentence: On 4 October 1948, almost exactly 10 years after the incident, Captain John David Hissong was presented with the Airmail Flyers' Medal of Honor by Jesse M. Donaldson, the acting Postmaster General at the time, on behalf of President Harry Truman.
Split into simpler sentences: On 4 October 1948, almost exactly 10 years after the incedent, Captain John David Hissong was presented with the Airmail Flyers' Medal of Honor. The presentation was made by Jesse M. Donaldson, the acting Postmaster General at the time, on behalf of President Harry Truman.