User blog comment:Shinhwalee/Major Event Preparation Guide for Admirals/@comment-26340617-20150427064729/@comment-24930367-20150427065146

Don't let second remodel become your priority, or letting it be a wall that prevents you from doing anything.

The first remodel gives more benefits as it bumps their status to a noticeable degree.

As for Anti-Air Fire Director, look up D15 and D16 in Quests page. See if you can complete them.