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R2-D2`s name numbers also stood for (second generation astromech droid unit).The droid model units numbered R1,R2,R3,R4,R5,R6,R7,R8,and R9. The R4s,R5s,and R6s stood a bit taller with their either cylindrical, or coned-shaped heads.

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Ronald Hill

Lvl 2
4y ago

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