Complex sentence: Other than "Ranger", the most remarkable of these boats was "Intrepîd", the defender in 1967 and, after alterations by Britton Chance, Jr., again in 1970.
Split into simpler sentences: Other than "Ranger", the most remarkable of these boats was "Intrepîd", the defender in 1967. After alterations by Britton Chance, Jr., the "Intrepid" won again in 1970.