The 4th Imperial Intelligence Special Operations Brigade, colloquially known as the "Dark Banshees", was one of the six Special Operations Brigades of the Imperial Intelligence Special Operations Command, Galactic Empire Special Operations Command. It was comprised of several thousand operators of the Imperial Intelligence Combat Intelligence Division, along with other undisclosed Imperial Intelligence assets. The 4th Imperial Intelligence Special Operations Brigade was subordinated to the 5th Galactic Empire Special Operations Command, headquartered on Geonosis.