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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, Tambor, Gato, Balao, and Tench classes. In some references, the Porpoises are called the "P" class. [7]
Porpoises and other smaller cetaceans have traditionally been hunted in many areas, at least in Asia, Europe and North America, for their meat and blubber. A dominant hunting technique is drive hunting, where a pod of animals is driven together with boats and usually into a bay or onto a beach.
The Porpoise class was an eight-boat class of diesel-electric submarines operated by the Royal Navy. This class was originally designated patrol submarines, then attack. They were the first conventional British submarines to be built after the end of World War II. Their design was, in many ways, influenced by the German World War II-era Type ...
USS Shark (SS-174) was a Porpoise-class submarine, ... Shark′s keel was laid down by the Electric Boat Company in Groton, Connecticut, on 24 October 1933.
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 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 battleships of the surface fleet.
The Battle of the Porpoises (Portuguese: Batalha das Toninhas) is the name given to a military blunder involving the Brazilian Navy in the Gibraltar Strait, near the end of the First World War. [ 1 ] While on patrol for potential German submarines, the crew of the Bahia slaughtered a passing shoal of porpoises , mistaking them for the periscope ...
After the unsuccessful attempts outlined above, Navy designers finally worked towards a practical fleet submarine. The first successful approaches to this were the Porpoise or "P"-class and Salmon / Sargo or new "S"-class submarines, launched 1935–1939. These were smaller, more maneuverable boats than the cruiser-type V-boats. However, the "P ...
These boats are sometimes referred to as the Porpoise class from the single prototype, HMS Porpoise built in 1932. Five boats to a modified design were built between 1936 and 1938. Five boats to a modified design were built between 1936 and 1938.