The Mirabello class were a group of 3 destroyers built for the Regia Marina

Regia Marina

The Regia Marina dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification...

 during World War I.

The ships were designed as scout cruiser

Scout cruiser

A scout cruiser was a type of warship of the early 20th Century, which were smaller, faster, more lightly armed and armoured than protected cruisers or light cruisers, but larger than contemporary destroyers...

s (esploratori), essentially enlarged versions of contemporary destroyers. All ships were built by Ansaldo in Genoa. Three ships were built but one was lost to a mine in the Black Sea in 1920, during the Allied intervention in the Russian Civil War

Allied Intervention in the Russian Civil War

The Allied intervention was a multi-national military expedition launched in 1918 during World War I which continued into the Russian Civil War. Its operations included forces from 14 nations and were conducted over a vast territory...

. The remaining two ships, obsolescent by 1938, were re-rated as destroyers and fought in World War II. The Riboty was reconfigured as a convoy escort. The torpedo tubes were removed and depth charges and 20mm anti-aircraft guns added.

Ships

Ship	Launched	Completed	Fate/Service
Carlo Mirabello	21 Dec 1915	24 Aug 1916	Sunk 21 May 1941 by Mines near Cape Dukato, Albania
Carlo Alberto Racchia	2 June 1916	21 Dec 1916	Sunk by Mine 21 June 1920 in the Black Sea
Augusto Riboty	24 September 1916	5 May 1917	Allocated to USSR as war reparation, but scrapped in Italy 1951