You know its little things like this that make me glad that I am a Star Wars nut.
If you look at the drioid next to R2 is none other then R2-KT
I don't know about you guys but if you know the story behind KT then
this has to put a huge smile on your face , KUDOS to Lucas Films for doing
this!
Director Dave Filoni said that he put the droid in to honor the charity work that the 501st does around the world.
read more here
-SALUTES Lucas Films and Katie Johnson-
over