Complex sentence: The Green Ramp disaster was a 1994 mid-air collision and subsequent ground collision at Pope Air Force Base, North Carolina that killed twenty-four members of the U.S. Army's 82nd Airborne Division preparing for an airborne operation.
Split into simpler sentences: The Green Ramp disaster was a 1994 mid-air collision and subsequent ground collision at Pope Air Force Base in North Carolina. It killed twenty-four members of the U.S. Army's 82nd Airborne Division preparing for an airborne operation.