User blog comment:SlashZero/E-6 Gauge Depletion Composition (Summer '14 AL/MI)/@comment-24903916-20140814185746/@comment-861160-20140814234235

Ise and Hyuuga will have difficulty putting out damage against the boss. Also, you need three carriers or two CVL to get the submarine route guaranteed. Perhaps you should consider a two CA composition which will have greater night battle capability than BBVs and also secure the sub node routing.

Shioi at only level 66 will probably be noticably less successful than if she was level 90+. It's about a difference of 10% evasion, I think? But it should still work.

And yes, 99 and below have an easier time destroying the gauge but that's not what this guide is about anyways.