The La Rioja was an Argentinean destroyer of 1570 tons displacement launched in 1929. The La Rioja carried a complement of 160 and had a top speed of 39.4 knots. She was armed with five 4.7 inch guns; one 3 inch anti-aircraft gun; two 2-pdr guns and six 21-inch torpedo tubes in two triple deck mountings. Research La Rioja