Unbreakable engine system

"Stronger shields means a better defense."

- The advertising slogan for the system

The Unbreakable engine system was a type of starship engine produced by Celestial Industries during the the Galactic War between the Galactic Republic and the Sith Empire. The engine system allowed pilots to transfer of the ship's engine power to the shield power reserves.

Appearances

 * Star Wars: The Old Republic: Galactic Starfighter