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Porpoise-Class

USA Submarine Interwar Fleet Submarines Tier 3 Power 54.81

Successful Design - Porpoise-class (including Shark and Perch subclasses) were successful fleet submarines. 10 boats. Several WWII combat losses.

Specifications

Displacement (std)
1316 t
Displacement (full)
1934 (submerged) t
Length
288.7 ft
Beam
24.9 ft
Crew
54
Ships built
10
Commissioned
1935-1937
Decommissioned
1945-1959

Performance

Top speed
18 kn
Range
11000

Armament

Main guns
1× 3-inch/50 cal
Secondary guns
None
Torpedoes
6× 21-inch

Armor & Systems

Belt
None

In-Game

Tier
T3
Game power
54.81
Research cost
10,852
Credit cost
38,367

Historical source ↗