Complex sentence: Luis E. Fonseca, Jr. (born 1980) is a United States Navy Hospital Corpsman who was awarded the Navy Cross for his heroic actions during the Battle of Nasiriyah, on March 23,2003.
Split into simpler sentences: Luis E. Fonseca, Jr. (born 1980) is a United States Navy sailor. He is a Hospital Corpsman who was awarded the Navy Cross for his heroic actions during the Battle of Nasiriyah, on March 23,2003.