Porpoise class submarine
Encyclopedia
Porpoise class submarine can refer to:
- The British Grampus classGrampus class submarineThe Grampus-class submarines were a group of minelaying submarines built for the Royal Navy in the late 1930s. 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...
of six submarines launched in the 1930s is sometimes called the Porpoise class - The British Porpoise classBritish Porpoise class submarineThe 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...
of eight submarines launched in the 1950s - The United States Porpoise classUnited States Porpoise class submarineThe 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 subsequent classes such as the Salmon, Tambor, Gato, Balao, and Tench classes...
of ten submarines launched in the 1930s