A group of submarines, used effectively, can make life hard on a Dreadnought-based navy, but without surface support, a submarine-based navy will never rule the waves.

• 一队有效运用的潜艇会使以无畏级战列舰为主的海军很难受，但是没有水面舰队的支援，一支以潜艇为主力的海军永远无法控制海洋。