Unlock the following ship skins by unlocking the corresponding campaigns:

SHIP SKIN - CAMPAIGN
AG Systems Zone Battle Skin - Unlock the Turbulence campaign.
Assegai Zone Battle Skin - Unlock the Nuked campaign.
Auricom Zone Battle Skin - Unlock the all Aftermath Events.
EG-X Zone Battle Ship Skin - Unlock the Corruption campaign.
Feiser Zone Skin - Unlock the the Impact campaign.
Goteki 45 Zone Battle Ship Skin - Unlock the Vortex campaign.
Harimau Zone Battle Skin - Unlock the Aftermath campaign.
Icaras Zone Battle Skin - Unlock the all Aftermath Events.
Mirage Zone Battle Skin - Unlock the Nuked campaign.
Piranha Zone Skin - Unlock the the Voltage campaign.
Qirex Zone Skin - Unlock the the Voltage campaign.
Silver Fury Skin - Earn a medal in all campaign events.
Triakis Zone Battle Ship Skin - Unlock the Vortex campaign.