Submarines

(link)

How to play submarines and against them

(link)

Yuro's Comprehensive Guide

(link)

How to Play: British Submarines

• Submarine Guide
• Training article
• Submarine Controls
• Acoustic Homing Torpedoes
• Submarines and their torpedo types
• Detection
• Submarine Consumables
• Submarine Commander Skills
• Anti-Submarine Warfare (ASW)

Germany

VI U-69

VIII U-190

X U-2501

X U-4501 

Japan

VIII I-56 

• How to Play: British Submarines

U.K.

VI Undine

VIII Sturdy

VIII Alliance 

X Thrasher

U.S.A.

VI Cachalot

VIII Salmon

X Balao

X Gato 

X Archerfish

U.S.S.R.

VIII S-189 

Pan-Asia

VI Xin Zhong Guo 14