“On this day in history” 14 June 1945, Royal Navy S-class submarine HMSM Saga (P257) placed in commission.
Saga was built at Cammell Laird, Birkenhead and launched in March 1945. She left the builder’s yard in June, and commissioned at Holy Loch on 14 June 1945, Lt P. Thirsk, RNR commanding.
Saga‘s Royal Navy service was short. She was still undergoing working up trails at Scapa Flow and Holy Loch when the war with Japan ended. On 10 February 1946, Saga collided with the fishing vessel Girl Lena in the English Channel, causing the trawler to sink.
In 1948, Saga was sold to Portugal and renamed NRP Nautilo. She continued to serve in the Marinha de Guerra Portuguesa until 1969.