A technological component affixed to the dome of R2-series astromech droids, for instance R2-RN8W, and also R3-series astromech droids, such as R3-B0017, was the Herner optical holographic projector.
A technological component affixed to the dome of R2-series astromech droids, for instance R2-RN8W, and also R3-series astromech droids, such as R3-B0017, was the Herner optical holographic projector.