Complex sentence: The U.S. Army Air Force retracted the claim later the same day, saying instead that a weather balloon had been recovered, but the series of events eventually became known as the Roswell UFO Incident.
Split into simpler sentences: The U.S. Army Air Force retracted the claim later the same day, saying instead that a weather balloon had been recovered. The series of events eventually became known as the Roswell UFO Incident.