A Cooling System was a piece of technology found on starfighters. They were used to keep internal systems at a proper temperature. Cooling systems were found on the Hornet, Scimitar and Raptor.
Inset of an Origin Aerospace Hornet blueprint showing the cooling system.
Inset of an Origin Aerospace Raptor blueprint showing the cooling system.
Inset of an Origin Aerospace Scimitar blueprint showing the cooling system.