Porpoise-class submarine
As a Porpoise - class (English porpoises ) are referred to three decommissioned submarine classes:
- The British Royal Navy used 1933-1946 six U- minelayer the Porpoise Class (1933 ) (also Grampus - class)
- The U.S. Navy used 1935-1956 ten submarines of the Porpoise class ( 1935)
- The British Royal Navy used between 1956 and the mid-1980 eight boats Porpoise -Class ( 1956)
- Disambiguation