Uskok-class torpedo boat

Class of Royal Yugoslav Navy motor torpedo boats

The Uskok class was a class of two motor torpedo boats built for the Royal Yugoslav Navy during the late 1920s. Named Uskok and Četnik, the boats were built by the Thornycroft Company based on their existing class of 17-metre-long (55 ft) Coastal Motor Boats, but were almost 1.5 metres (5 ft) longer. As their main armament they were equipped with cradles that carried two British-designed 456-millimetre (18 in) torpedoes, were fitted with hydrophones, and could carry depth charges instead of torpedoes if used in an anti-submarine role. The boats were lightly-built using mahogany, powered by two petrol engines, but lacked transverse bulkheads within the hull to mitigate leaks.

This keyword could refer to multiple things. Here are some suggestions: