an Entity references as follows:
ARA San Luis (S-32) was a Type 209 diesel-powered submarine of the Argentine Navy. Built in Germany, San Luis has a displacement of 1,285 tonnes (1,265 long tons; 1,416 short tons) and was commissioned in 1974. The submarine operated against the Royal Navy during the Falklands War without any noticeable success, but survived a number of anti-submarine sweeps carried out by British frigates. San Luis was struck in 1997 after an incomplete overhaul.