 Losses from "General Belgrano" totalled just over half of Argentine military deaths in the war.She is the only ship to have been sunk during military operations by a nuclear-powered submarine and the second sunk in action by any type of submarine since World War II (the first being the Indian frigate , which was sunk by the Pakistani submarine during the 1971 Indo-Pakistani War).The warship was built as , the sixth ship of the design, in Camden, New Jersey, by the New York Shipbuilding Corporation starting in 1935, and launched in March 1938.