Complex sentence: It is revealed that three senior officers, Brice, Loomis and Coors, were responsible for the death of Captain Winters and that the British hospital ship was mistaken for a German ship and was sunk by the "Tiger Shark".
Split into simpler sentences: It is revealed that three senior officers, Brice, Loomis and Coors, were responsible for the death of Captain Winters. The British hospital ship was mistaken for a German ship and was sunk by the "Tiger Shark".