Complex sentence: Lt. Col. Naldini ejected but was killed as he hit the runway before his parachute opened, his plane crashed onto a taxiway near the runway, destroying a medevac helicopter and fatally injuring the pilot, Captain Kim Strader.
Split into simpler sentences: Lt. Col. Naldini ejected but was killed as he hit the runway before his parachute opened. His plane crashed onto a taxiway near the runway, destroying a medevac helicopter and fatally injuring its pilot, Captain Kim Strader.