The Ostro was an Italian Turbine Class destroyer of 1073 tons displacement launched in 1928. The Ostro was powered by three Express boilers with super heaters providing a top speed of 36 knots and carried a complement of 142. She was armed with four 4.7-inch guns; four 37 mm anti-aircraft guns; two 13 mm anti-aircraft guns and six 21-inch torpedo t...