[6.20] The destroyers "blob"

[Ragnos28]

When selecting a wing of destroyers to engage a target, they mash together and form a "blob".

This is what it look like: https://youtu.be/1tUY1qzL69Y
This is the save file: https://drive.google.com/file/d/1NWo1cT ... sp=sharing
just select one of the destroyers, the atack order have already been issued.
Version: 6.20
no mods, vanilla