Porpoise class submarines (1934)
US Navy Submersibles, 3 sub-classes (1933-45): USS Porpoise, Pike | Shark, Tarpon | Perch, Pickerel, Permit, Plunger, Pollack, Pompano The porpoise class are the first of a serie of ten submarines built on the same basic specifications, the Porpoise, Shark and Perch groups, separated by most authors and seen here in one go for practical … Read more