Complex sentence: Two racks and throwers for depth charges were carried aft, principally for self-defence purposes, although "Viceroy" sank "U- 1274" off the east coast of Scotland on 16 April 1945.
Split into simpler sentences: Two racks and throwers for depth charges were carried aft. Although this was mainly for self-defence purposes, "Viceroy" sank "U- 1274" off the east coast of Scotland on 16 April 1945.