User blog comment:Shinhwalee/Major Event Preparation Guide for Admirals (OUTDATED)/@comment-190.207.174.127-20161003222809/@comment-26154973-20161004002854

Expedition/Introduction, 4 sparkled ships for drum expeditions (with enough drums), 5-6 ships otherwise (generally, 5 is good enough, unless 6 ships required).

@Shinhwalee, btw, the section on support expeditions is outdated, see Expedition/Support Expedition.