Complex sentence: While the Italian fighter unit was distracted, Wellesley bombers from 223 Squadron took off from Perim Island, to attack the airfield at Addis Ababa and destroyed the Duke of Aosta's personal aircraft.
Split into simpler sentences: While the Italian fighter unit was distracted, Wellesley bombers from 223 Squadron took off from Perim Island, to attack the airfield at Addis Ababa. They destroyed the Duke of Aosta's personal aircraft.