User blog comment:SlashZero/E-6 Gauge Depletion Composition (Summer '14 AL/MI)/@comment-24332640-20140818054849/@comment-861160-20140818070818

Are you using I-401?

Having a strong showing at node A is important for making this strategy work. Thus, the high accuracy double line combined with high attack carriers and battleships to prevent your submarine from taking early damage.