Using SOP (Standard Operating Procedure), the skins are controlled in the Data / Roster / Country / ShipName / ShipName.cfg file, which is text-editable. You don't want gaps in the dates (no skin shows), and if you overlap the dates, the computer makes the choice. Other aspects of the game are very particular about settings, but just look-out for spelling and correct paths in this.
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"...and bollocks to the naysayer/s" - Jimbuna
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