This is 100% messing with the pirokinetic who's playing navy. If Ace could make out more than an outline he's see smirk on Harlock's face. Harlock did wonder which crew this was. While he does no Ace in passing this plan is way more cunning than what would be expected from his antics overheard on the journal.

You might be able to make him giving you a cocky little salute before ordering Boris to fire another salvo.