Salmon-class submarine
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The United States Navy Salmon-class submarines were an important developmental step in the design of the "fleet submarine" concept during the 1930s. An incremental improvement over the previous Porpoi
USS Salmon on trials in 1938
Periscope photo of Yamakaze sinking.
The Porpoise class were submarines built for the United States Navy in the late 1930s, and incorporated a number of modern features that would make them the basis for the subsequent Salmon, Sargo, Tam
Salmon-class submarine
…were an important developmental step in the design of the "fleet submarine" concept during the 1930s. An incremental improvement over the previous Porpoise class, they were the first US submarine class to achieve 21 knots with a reliable propulsion plant, allowing them to operate with the Standard-type…
USS Porpoise on 20 July 1944