R-series

R-series was a line of astromech droids manufactured by Industrial Automaton, including the popular R2 series droids, such as R2-D2. R-series models continued to see use during the days of the Cold War; even though some of its models had been operating for almost a century at that point.

Text and facts from the “R-series” article on Wookieepedia, licensed under CC BY-SA 3.0. Modified for this site.