Complex sentence: On January 22,1991, Capt. Manuel Rivera was killed during a support mission over the Persian Gulf when his Army AH-1 Cobra smashed into the Omani coastline while approaching the deck of the amphibious assault ship Nassau for a landing.
Split into simpler sentences: On January 22,1991, Capt. Manuel Rivera was killed during a support mission over the Persian Gulf. He smashed into the Omani coastline while approaching the deck of the amphibious assault ship Nassau for a landing.