Complex sentence: Christopher Louis Wreford-Brown DSO RN (born August 1945) is a retired Royal Navy officer, who was most notably captain of HM Submarine "Conqueror" during the Falklands War, during which "Conqueror" sunk the Argentine Cruiser ARA "General Belgrano".
Split into simpler sentences: Christopher Louis Wreford-Brown DSO RN (born August 1945) is a retired Royal Navy officer. He was captain of HM Submarine "Conqueror" during the Falklands War, during which "Conqueror" sunk the Argentine Cruiser ARA "General Belgrano".