Complex sentence: Captain Hatton died in the line of duty operating at the World Trade Center on 9/11/01, his often used phrase "Outstanding" appeared on the front of Rescue 1, and reminded the members and friends of his outstanding leadership and qualities.
Split into simpler sentences: Captain Hatton died in the line of duty operating at the World Trade Center on September 11,2001. His often used phrase "Outstanding" appeared on the front of Rescue 1, and reminded the members and friends of his outstanding leadership and qualities.