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Trento-class cruiser : ウィキペディア英語版 | Trento-class cruiser
The ''Trento'' class was an Italian heavy cruiser design of the ''Regia Marina'' from the late 1920s. The three ships in the class were named after the three unredeemed cities taken from the Austro-Hungarian empire after the victory in World War I: Trento, Trieste, and Bolzano. == Design == The ''Trentos'' were the first ships designed specifically to the limitations of the Washington Naval Treaty. This limited cruisers to 10,000 tons and 8 inch (203 mm) guns, a limitation that made firepower, speed and protection difficult to build into a single design. A particular problem faced by the Italian designers was that their ships had to be able to protect the lengthy Italian coastline from widely separated naval bases, meaning that high speed was a key feature. In the end they chose to sacrifice armor and fuel storage, and thus range, in order to attain the required speed and weight while still being armed with the latest 8 inch (203 mm) guns. ''Trento'' started construction in 1925 along with her sister ship, ''Trieste''. ''Trieste'' was launched first in 1926 and commissioned in 1928, while ''Trento'' followed in 1927 and 1929 respectively. A third, ''Bolzano'', started construction in 1930 and was commissioned in 1933; the ''Bolzano'' was quite different from the other two vessels, and sometimes it is considered a class on its own. It was later concluded that the tradeoff in armour put the ships at a disadvantage, and an up-armored version of the design was produced as the highly rated ''Zara'' class in the early 1930s. The three warship constituted Italian Navy's Third Division of cruisers.
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