Porpoise-class submarine

Porpoise class submarine can refer to:

The British Grampus class of six submarines launched in the 1930s is sometimes called the Porpoise class
The British Porpoise class of eight submarines launched in the 1950s
The United States Porpoise class of ten submarines launched in the 1930s

This article is issued from Wikipedia - version of the 3/11/2013. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.