Cabal

The Cabal are a highly militarized alien species which has taken command of the planet Mars. They are notorious for destroying entire planets simply to save time rather than piloting their ships around them.

Culture
The Cabal are a highly militaristic society. The control a vast entire with legions that are sent across the galaxy to bring new worlds into compliance. Defeat in the eyes of the Cabal is unacceptable to their doctrine and would prefer to burn everything in their wake. Cabal legions are exiled from their world and the empire until their objectives are completed.

Source

 * Destiny (2014)