DT-series sentry droid

"I'm afraid I may have overlooked that in my planning.''" "Overlooked what?" "The sentry droids the Empire utilizes on its cargo ships. It must have reactivated when power was restored. I advise you not'' to engage the droid. The consequences could be problematic."

- AP-5 and Garazeb Orrelios

These sentry droids were utilized by the Galactic Empire aboard its cargo ships. Should one of the activated sentry droids fall under attack, the remaining deactivated droids would power on.