 Complete the following phrase:  During Indias intervention in the Bangladesh Liberation War, the Pakistan Navys sank the Indian frigate . This was the first sinking by a submarine since World War II. During the same war, , a Tench-class submarine on loan to Pakistan from the US, was sunk by the Indian Navy. It was the first submarine combat loss since World War II. In 1982 during the Falklands War, the Argentine cruiser was sunk by the British submarine , the first sinking by a nuclear-powered submarine in war. Some weeks later, on 16 June, during the 