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

Imperial sentry droids were a model of sentry droid 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.

Behind the scenes
The sentry droids were inspired by the dark troopers seen in the Star Wars Legends video game Star Wars: Dark Forces.